diff options
Diffstat (limited to 'src/mesa/drivers/dos')
| -rw-r--r-- | src/mesa/drivers/dos/dmesa.c | 1722 | ||||
| -rw-r--r-- | src/mesa/drivers/dos/dpmi.c | 148 | ||||
| -rw-r--r-- | src/mesa/drivers/dos/internal.h | 37 | ||||
| -rw-r--r-- | src/mesa/drivers/dos/null.c | 170 | ||||
| -rw-r--r-- | src/mesa/drivers/dos/vesa.c | 653 | ||||
| -rw-r--r-- | src/mesa/drivers/dos/vga.c | 190 | ||||
| -rw-r--r-- | src/mesa/drivers/dos/video.c | 662 |
7 files changed, 1800 insertions, 1782 deletions
diff --git a/src/mesa/drivers/dos/dmesa.c b/src/mesa/drivers/dos/dmesa.c index 2d3b2e6495..41e0f4d8b3 100644 --- a/src/mesa/drivers/dos/dmesa.c +++ b/src/mesa/drivers/dos/dmesa.c @@ -101,7 +101,6 @@ struct dmesa_context { }; - #ifndef FX /**************************************************************************** * Read/Write pixels @@ -114,335 +113,334 @@ struct dmesa_context { /**************************************************************************** * RGB[A] ***************************************************************************/ -static void write_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLubyte rgba[][4], const GLubyte mask[]) +static void +write_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLubyte rgba[][4], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++, offset++) { - if (mask[i]) { - vl_putpixel(offset, vl_mixrgba(rgba[i])); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++, offset++) { - vl_putpixel(offset, vl_mixrgba(rgba[i])); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + + offset = DSTRIDE * FLIP(y) + x; + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++, offset++) { + if (mask[i]) { + vl_putpixel(offset, vl_mixrgba(rgba[i])); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_putpixel(offset, vl_mixrgba(rgba[i])); + } + } } - -static void write_rgb_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLubyte rgb[][3], const GLubyte mask[]) +static void +write_rgb_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLubyte rgb[][3], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++, offset++) { - if (mask[i]) { - vl_putpixel(offset, vl_mixrgb(rgb[i])); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++, offset++) { - vl_putpixel(offset, vl_mixrgb(rgb[i])); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + + offset = DSTRIDE * FLIP(y) + x; + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++, offset++) { + if (mask[i]) { + vl_putpixel(offset, vl_mixrgb(rgb[i])); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_putpixel(offset, vl_mixrgb(rgb[i])); + } + } } - -static void write_mono_rgba_span (const GLcontext *ctx, - GLuint n, GLint x, GLint y, - const GLchan color[4], const GLubyte mask[]) +static void +write_mono_rgba_span (const GLcontext *ctx, + GLuint n, GLint x, GLint y, + const GLchan color[4], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset, rgba = vl_mixrgba(color); - - offset = DSTRIDE * FLIP(y) + x; - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++, offset++) { - if (mask[i]) { - vl_putpixel(offset, rgba); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++, offset++) { - vl_putpixel(offset, rgba); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset, rgba = vl_mixrgba(color); + + offset = DSTRIDE * FLIP(y) + x; + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++, offset++) { + if (mask[i]) { + vl_putpixel(offset, rgba); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_putpixel(offset, rgba); + } + } } - -static void read_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, - GLubyte rgba[][4]) +static void +read_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, + GLubyte rgba[][4]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - /* read all pixels */ - for (i=0; i<n; i++, offset++) { - vl_getrgba(offset, rgba[i]); - } -} + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + offset = DSTRIDE * FLIP(y) + x; + /* read all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_getrgba(offset, rgba[i]); + } +} -static void write_rgba_pixels (const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - const GLubyte rgba[][4], const GLubyte mask[]) +static void +write_rgba_pixels (const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + const GLubyte rgba[][4], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; - - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++) { - if (mask[i]) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], vl_mixrgba(rgba[i])); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], vl_mixrgba(rgba[i])); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; + + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++) { + if (mask[i]) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], vl_mixrgba(rgba[i])); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], vl_mixrgba(rgba[i])); + } + } } - -static void write_mono_rgba_pixels (const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], +static void +write_mono_rgba_pixels (const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], const GLchan color[4], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1, rgba = vl_mixrgba(color); - - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++) { - if (mask[i]) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], rgba); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], rgba); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1, rgba = vl_mixrgba(color); + + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++) { + if (mask[i]) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], rgba); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], rgba); + } + } } - -static void read_rgba_pixels (const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - GLubyte rgba[][4], const GLubyte mask[]) +static void +read_rgba_pixels (const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + GLubyte rgba[][4], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; - - if (mask) { - /* read some pixels */ - for (i=0; i<n; i++) { - if (mask[i]) { - vl_getrgba(FLIP2(y[i])*_w_ + x[i], rgba[i]); - } - } - } else { - /* read all pixels */ - for (i=0; i<n; i++) { - vl_getrgba(FLIP2(y[i])*_w_ + x[i], rgba[i]); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; + + if (mask) { + /* read some pixels */ + for (i = 0; i < n; i++) { + if (mask[i]) { + vl_getrgba(FLIP2(y[i])*_w_ + x[i], rgba[i]); + } + } + } else { + /* read all pixels */ + for (i = 0; i < n; i++) { + vl_getrgba(FLIP2(y[i])*_w_ + x[i], rgba[i]); + } + } } - /**************************************************************************** * Index ***************************************************************************/ -static void write_index_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLuint index[], const GLubyte mask[]) +static void +write_index_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLuint index[], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++, offset++) { - if (mask[i]) { - vl_putpixel(offset, index[i]); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++, offset++) { - vl_putpixel(offset, index[i]); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + + offset = DSTRIDE * FLIP(y) + x; + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++, offset++) { + if (mask[i]) { + vl_putpixel(offset, index[i]); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_putpixel(offset, index[i]); + } + } } - -static void write_index8_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLubyte index[], const GLubyte mask[]) +static void +write_index8_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLubyte index[], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++, offset++) { - if (mask[i]) { - vl_putpixel(offset, index[i]); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++, offset++) { - vl_putpixel(offset, index[i]); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + + offset = DSTRIDE * FLIP(y) + x; + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++, offset++) { + if (mask[i]) { + vl_putpixel(offset, index[i]); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_putpixel(offset, index[i]); + } + } } - -static void write_mono_index_span (const GLcontext *ctx, - GLuint n, GLint x, GLint y, - GLuint colorIndex, const GLubyte mask[]) +static void +write_mono_index_span (const GLcontext *ctx, + GLuint n, GLint x, GLint y, + GLuint colorIndex, const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++, offset++) { - if (mask[i]) { - vl_putpixel(offset, colorIndex); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++, offset++) { - vl_putpixel(offset, colorIndex); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + + offset = DSTRIDE * FLIP(y) + x; + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++, offset++) { + if (mask[i]) { + vl_putpixel(offset, colorIndex); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_putpixel(offset, colorIndex); + } + } } - -static void read_index_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, - GLuint index[]) +static void +read_index_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, + GLuint index[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - /* read all pixels */ - for (i=0; i<n; i++, offset++) { - index[i] = vl_getpixel(offset); - } -} + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + offset = DSTRIDE * FLIP(y) + x; + /* read all pixels */ + for (i = 0; i < n; i++, offset++) { + index[i] = vl_getpixel(offset); + } +} -static void write_index_pixels (const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - const GLuint index[], const GLubyte mask[]) +static void +write_index_pixels (const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + const GLuint index[], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; - - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++) { - if (mask[i]) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], index[i]); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], index[i]); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; + + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++) { + if (mask[i]) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], index[i]); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], index[i]); + } + } } - -static void write_mono_index_pixels (const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - GLuint colorIndex, const GLubyte mask[]) +static void +write_mono_index_pixels (const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + GLuint colorIndex, const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; - - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++) { - if (mask[i]) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], colorIndex); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], colorIndex); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; + + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++) { + if (mask[i]) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], colorIndex); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], colorIndex); + } + } } - -static void read_index_pixels (const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], +static void +read_index_pixels (const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], GLuint index[], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; - - if (mask) { - /* read some pixels */ - for (i=0; i<n; i++) { - if (mask[i]) { - index[i] = vl_getpixel(FLIP2(y[i])*_w_ + x[i]); - } - } - } else { - /* read all pixels */ - for (i=0; i<n; i++) { - index[i] = vl_getpixel(FLIP2(y[i])*_w_ + x[i]); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; + + if (mask) { + /* read some pixels */ + for (i = 0; i < n; i++) { + if (mask[i]) { + index[i] = vl_getpixel(FLIP2(y[i])*_w_ + x[i]); + } + } + } else { + /* read all pixels */ + for (i = 0; i < n; i++) { + index[i] = vl_getpixel(FLIP2(y[i])*_w_ + x[i]); + } + } } - /**************************************************************************** * Z-buffer ***************************************************************************/ - /**************************************************************************** * Optimized triangle rendering ***************************************************************************/ @@ -453,21 +451,20 @@ static void read_index_pixels (const GLcontext *ctx, #define NAME tri_rgb_flat #define SETUP_CODE \ - const DMesaContext dmesa = (DMesaContext)ctx; \ - GLuint _b_ = dmesa->buffer->height - 1; \ - GLuint _w_ = dmesa->buffer->width; \ - GLuint rgb = vl_mixrgb(v2->color); + const DMesaContext dmesa = (DMesaContext)ctx;\ + GLuint _b_ = dmesa->buffer->height - 1; \ + GLuint _w_ = dmesa->buffer->width; \ + GLuint rgb = vl_mixrgb(v2->color); #define RENDER_SPAN(span) \ - GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \ - for (i = 0; i < span.end; i++, offset++) { \ - vl_putpixel(offset, rgb); \ - } + GLuint i, offset = FLIP2(span.y)*_w_ + span.x;\ + for (i = 0; i < span.end; i++, offset++) { \ + vl_putpixel(offset, rgb); \ + } #include "swrast/s_tritemp.h" - /* * Z-less flat triangle. */ @@ -477,26 +474,25 @@ static void read_index_pixels (const GLcontext *ctx, #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE #define SETUP_CODE \ - const DMesaContext dmesa = (DMesaContext)ctx; \ - GLuint _b_ = dmesa->buffer->height - 1; \ - GLuint _w_ = dmesa->buffer->width; \ - GLuint rgb = vl_mixrgb(v2->color); + const DMesaContext dmesa = (DMesaContext)ctx; \ + GLuint _b_ = dmesa->buffer->height - 1; \ + GLuint _w_ = dmesa->buffer->width; \ + GLuint rgb = vl_mixrgb(v2->color); #define RENDER_SPAN(span) \ - GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \ - for (i = 0; i < span.end; i++, offset++) { \ - const DEPTH_TYPE z = FixedToDepth(span.z); \ - if (z < zRow[i]) { \ - vl_putpixel(offset, rgb); \ - zRow[i] = z; \ - } \ - span.z += span.zStep; \ - } + GLuint i, offset = FLIP2(span.y)*_w_ + span.x;\ + for (i = 0; i < span.end; i++, offset++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z);\ + if (z < zRow[i]) { \ + vl_putpixel(offset, rgb); \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } #include "swrast/s_tritemp.h" - /* * NON-depth-buffered iterated triangle. */ @@ -505,23 +501,22 @@ static void read_index_pixels (const GLcontext *ctx, #define INTERP_RGB 1 #define SETUP_CODE \ - const DMesaContext dmesa = (DMesaContext)ctx; \ - GLuint _b_ = dmesa->buffer->height - 1; \ - GLuint _w_ = dmesa->buffer->width; + const DMesaContext dmesa = (DMesaContext)ctx;\ + GLuint _b_ = dmesa->buffer->height - 1; \ + GLuint _w_ = dmesa->buffer->width; #define RENDER_SPAN(span) \ - GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \ - for (i = 0; i < span.end; i++, offset++) { \ - vl_putpixel(offset, vl_mixfix(span.red, span.green, span.blue)); \ - span.red += span.redStep; \ - span.green += span.greenStep; \ - span.blue += span.blueStep; \ - } + GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \ + for (i = 0; i < span.end; i++, offset++) { \ + vl_putpixel(offset, vl_mixfix(span.red, span.green, span.blue)); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } #include "swrast/s_tritemp.h" - /* * Z-less iterated triangle. */ @@ -532,75 +527,75 @@ static void read_index_pixels (const GLcontext *ctx, #define INTERP_RGB 1 #define SETUP_CODE \ - const DMesaContext dmesa = (DMesaContext)ctx; \ - GLuint _b_ = dmesa->buffer->height - 1; \ - GLuint _w_ = dmesa->buffer->width; + const DMesaContext dmesa = (DMesaContext)ctx;\ + GLuint _b_ = dmesa->buffer->height - 1; \ + GLuint _w_ = dmesa->buffer->width; #define RENDER_SPAN(span) \ - GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \ - for (i = 0; i < span.end; i++, offset++) { \ - const DEPTH_TYPE z = FixedToDepth(span.z); \ - if (z < zRow[i]) { \ - vl_putpixel(offset, vl_mixfix(span.red, span.green, span.blue));\ - zRow[i] = z; \ - } \ - span.red += span.redStep; \ - span.green += span.greenStep; \ - span.blue += span.blueStep; \ - span.z += span.zStep; \ - } + GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \ + for (i = 0; i < span.end; i++, offset++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + vl_putpixel(offset, vl_mixfix(span.red, span.green, span.blue));\ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } #include "swrast/s_tritemp.h" - /* * Analyze context state to see if we can provide a fast triangle function * Otherwise, return NULL. */ -static swrast_tri_func dmesa_choose_tri_function (GLcontext *ctx) +static swrast_tri_func +dmesa_choose_tri_function (GLcontext *ctx) { - const SWcontext *swrast = SWRAST_CONTEXT(ctx); - - if ((ctx->RenderMode != GL_RENDER) - || (ctx->Polygon.SmoothFlag) - || (ctx->Polygon.StippleFlag) - || (ctx->Texture._EnabledUnits) - || (swrast->_RasterMask & MULTI_DRAW_BIT) - || (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)) { - return (swrast_tri_func)NULL; - } - - if (swrast->_RasterMask==DEPTH_BIT - && ctx->Depth.Func==GL_LESS - && ctx->Depth.Mask==GL_TRUE - && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) { - return (ctx->Light.ShadeModel==GL_SMOOTH) ? tri_rgb_iter_zless : tri_rgb_flat_zless; - } - - if (swrast->_RasterMask==0) { /* no depth test */ - return (ctx->Light.ShadeModel==GL_SMOOTH) ? tri_rgb_iter : tri_rgb_flat; - } - - return (swrast_tri_func)NULL; -} + const SWcontext *swrast = SWRAST_CONTEXT(ctx); + + if ((ctx->RenderMode != GL_RENDER) + || (ctx->Polygon.SmoothFlag) + || (ctx->Polygon.StippleFlag) + || (ctx->Texture._EnabledUnits) + || (swrast->_RasterMask & MULTI_DRAW_BIT) + || (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)) { + return (swrast_tri_func)NULL; + } + + if (swrast->_RasterMask==DEPTH_BIT + && ctx->Depth.Func==GL_LESS + && ctx->Depth.Mask==GL_TRUE + && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) { + return (ctx->Light.ShadeModel==GL_SMOOTH) ? tri_rgb_iter_zless : tri_rgb_flat_zless; + } + + if (swrast->_RasterMask==0) { /* no depth test */ + return (ctx->Light.ShadeModel==GL_SMOOTH) ? tri_rgb_iter : tri_rgb_flat; + } + return (swrast_tri_func)NULL; +} /* Override for the swrast triangle-selection function. Try to use one * of our internal triangle functions, otherwise fall back to the * standard swrast functions. */ -static void dmesa_choose_tri (GLcontext *ctx) +static void +dmesa_choose_tri (GLcontext *ctx) { - SWcontext *swrast = SWRAST_CONTEXT(ctx); + SWcontext *swrast = SWRAST_CONTEXT(ctx); - if (!(swrast->Triangle=dmesa_choose_tri_function(ctx))) - _swrast_choose_triangle(ctx); + if (!(swrast->Triangle=dmesa_choose_tri_function(ctx))) { + _swrast_choose_triangle(ctx); + } } - /**************************************************************************** * Optimized line rendering ***************************************************************************/ @@ -614,17 +609,16 @@ static void dmesa_choose_tri (GLcontext *ctx) #define CLIP_HACK 1 #define SETUP_CODE \ - const DMesaContext dmesa = (DMesaContext)ctx; \ - GLuint _b_ = dmesa->buffer->height - 1; \ - GLuint _w_ = dmesa->buffer->width; \ - GLuint rgb = vl_mixrgb(vert1->color); + const DMesaContext dmesa = (DMesaContext)ctx;\ + GLuint _b_ = dmesa->buffer->height - 1; \ + GLuint _w_ = dmesa->buffer->width; \ + GLuint rgb = vl_mixrgb(vert1->color); #define PLOT(X,Y) vl_putpixel(FLIP2(Y) * _w_ + X, rgb); #include "swrast/s_linetemp.h" - /* * Z-less flat line. */ @@ -636,88 +630,86 @@ static void dmesa_choose_tri (GLcontext *ctx) #define CLIP_HACK 1 #define SETUP_CODE \ - const DMesaContext dmesa = (DMesaContext)ctx; \ - GLuint _b_ = dmesa->buffer->height - 1; \ - GLuint _w_ = dmesa->buffer->width; \ - GLuint rgb = vl_mixrgb(vert1->color); + const DMesaContext dmesa = (DMesaContext)ctx;\ + GLuint _b_ = dmesa->buffer->height - 1; \ + GLuint _w_ = dmesa->buffer->width; \ + GLuint rgb = vl_mixrgb(vert1->color); #define PLOT(X,Y) \ - if (Z < *zPtr) { \ - *zPtr = Z; \ - vl_putpixel(FLIP2(Y) * _w_ + X, rgb); \ - } + if (Z < *zPtr) { \ + *zPtr = Z; \ + vl_putpixel(FLIP2(Y) * _w_ + X, rgb); \ + } #include "swrast/s_linetemp.h" - /* * NON-depth-buffered iterated line. */ #define line_rgb_iter NULL - /* * Z-less iterated line. */ #define line_rgb_iter_zless NULL - /* * Analyze context state to see if we can provide a fast line function * Otherwise, return NULL. */ -static swrast_line_func dmesa_choose_line_function (GLcontext *ctx) +static swrast_line_func +dmesa_choose_line_function (GLcontext *ctx) { - const SWcontext *swrast = SWRAST_CONTEXT(ctx); - - if ((ctx->RenderMode != GL_RENDER) - || (ctx->Line.SmoothFlag) - || (ctx->Texture._EnabledUnits) - || (ctx->Line.StippleFlag) - || (swrast->_RasterMask & MULTI_DRAW_BIT) - || (ctx->Line.Width!=1.0F)) { - return (swrast_line_func)NULL; - } - - if (swrast->_RasterMask==DEPTH_BIT - && ctx->Depth.Func==GL_LESS - && ctx->Depth.Mask==GL_TRUE - && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) { - return (ctx->Light.ShadeModel==GL_SMOOTH) ? line_rgb_iter_zless : line_rgb_flat_zless; - } - - if (swrast->_RasterMask==0) { /* no depth test */ - return (ctx->Light.ShadeModel==GL_SMOOTH) ? line_rgb_iter : line_rgb_flat; - } - - return (swrast_line_func)NULL; -} + const SWcontext *swrast = SWRAST_CONTEXT(ctx); + + if ((ctx->RenderMode != GL_RENDER) + || (ctx->Line.SmoothFlag) + || (ctx->Texture._EnabledUnits) + || (ctx->Line.StippleFlag) + || (swrast->_RasterMask & MULTI_DRAW_BIT) + || (ctx->Line.Width!=1.0F)) { + return (swrast_line_func)NULL; + } + + if (swrast->_RasterMask==DEPTH_BIT + && ctx->Depth.Func==GL_LESS + && ctx->Depth.Mask==GL_TRUE + && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) { + return (ctx->Light.ShadeModel==GL_SMOOTH) ? line_rgb_iter_zless : line_rgb_flat_zless; + } + if (swrast->_RasterMask==0) { /* no depth test */ + return (ctx->Light.ShadeModel==GL_SMOOTH) ? line_rgb_iter : line_rgb_flat; + } + + return (swrast_line_func)NULL; +} /* Override for the swrast line-selection function. Try to use one * of our internal line functions, otherwise fall back to the * standard swrast functions. */ -static void dmesa_choose_line (GLcontext *ctx) +static void +dmesa_choose_line (GLcontext *ctx) { - SWcontext *swrast = SWRAST_CONTEXT(ctx); + SWcontext *swrast = SWRAST_CONTEXT(ctx); - if (!(swrast->Line=dmesa_choose_line_function(ctx))) - _swrast_choose_line(ctx); + if (!(swrast->Line=dmesa_choose_line_function(ctx))) { + _swrast_choose_line(ctx); + } } - /**************************************************************************** * Miscellaneous device driver funcs ***************************************************************************/ static const struct gl_texture_format * -choose_tex_format( GLcontext *ctx, GLint internalFormat, - GLenum format, GLenum type ) +choose_tex_format (GLcontext *ctx, GLint internalFormat, + GLenum format, GLenum type) { switch (internalFormat) { case GL_COMPRESSED_RGB_ARB: @@ -730,134 +722,135 @@ choose_tex_format( GLcontext *ctx, GLint internalFormat, } - -static void clear_index (GLcontext *ctx, GLuint index) +static void +clear_index (GLcontext *ctx, GLuint index) { - ((DMesaContext)ctx)->ClearIndex = index; + ((DMesaContext)ctx)->ClearIndex = index; } -static void clear_color (GLcontext *ctx, const GLfloat color[4]) + +static void +clear_color (GLcontext *ctx, const GLfloat color[4]) { - GLubyte col[4]; - CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]); - CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]); - CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]); - CLAMPED_FLOAT_TO_UBYTE(col[3], color[3]); - ((DMesaContext)ctx)->ClearColor = vl_mixrgba(col); + GLubyte col[4]; + CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]); + CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]); + CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]); + CLAMPED_FLOAT_TO_UBYTE(col[3], color[3]); + ((DMesaContext)ctx)->ClearColor = vl_mixrgba(col); } - -static void clear (GLcontext *ctx, GLbitfield mask, GLboolean all, - GLint x, GLint y, GLint width, GLint height) +static void +clear (GLcontext *ctx, GLbitfield mask, GLboolean all, + GLint x, GLint y, GLint width, GLint height) { - const DMesaContext c = (DMesaContext)ctx; - const GLuint *colorMask = (GLuint *)&ctx->Color.ColorMask; - -/* - * Clear the specified region of the buffers indicated by 'mask' - * using the clear color or index as specified by one of the two - * functions above. - * If all==GL_TRUE, clear whole buffer, else just clear region defined - * by x,y,width,height - */ - - /* we can't handle color or index masking */ - if ((*colorMask == 0xffffffff) && (ctx->Color.IndexMask == 0xffffffff)) { - if (mask & DD_BACK_LEFT_BIT) { - int color = ((GLvisual *)(c->visual))->rgbMode ? c->ClearColor : c->ClearIndex; - - if (all) { - vl_clear(color); - } else { - vl_rect(x, c->buffer->height - y - height, width, height, color); - } - - mask &= ~DD_BACK_LEFT_BIT; - } - } + const DMesaContext c = (DMesaContext)ctx; + const GLuint *colorMask = (GLuint *)&ctx->Color.ColorMask; + + /* + * Clear the specified region of the buffers indicated by 'mask' + * using the clear color or index as specified by one of the two + * functions above. + * If all==GL_TRUE, clear whole buffer, else just clear region defined + * by x,y,width,height + */ + + /* we can't handle color or index masking */ + if ((*colorMask == 0xffffffff) && (ctx->Color.IndexMask == 0xffffffff)) { + if (mask & DD_BACK_LEFT_BIT) { + int color = ((GLvisual *)(c->visual))->rgbMode ? c->ClearColor : c->ClearIndex; + + if (all) { + vl_clear(color); + } else { + vl_rect(x, c->buffer->height - y - height, width, height, color); + } + + mask &= ~DD_BACK_LEFT_BIT; + } + } - if (mask) { - _swrast_Clear(ctx, mask, all, x, y, width, height); - } + if (mask) { + _swrast_Clear(ctx, mask, all, x, y, width, height); + } } - /* * This function is called to specify which buffer to read and write * for software rasterization (swrast) fallbacks. This doesn't necessarily * correspond to glDrawBuffer() or glReadBuffer() calls. */ -static void set_buffer (GLcontext *ctx, GLframebuffer *colorBuffer, GLuint bufferBit) +static void +set_buffer (GLcontext *ctx, GLframebuffer *colorBuffer, GLuint bufferBit) { - /* - * XXX todo - examine bufferBit and set read/write pointers - */ - /* Normally, we would have - * ctx->Driver.ReadBuffer == set_read_buffer - * ctx->Driver.DrawBuffer == set_draw_buffer - * and make sure set_draw_buffer calls _swrast_DrawBuffer, - * which in turn will call this routine via dd->SetBuffer. - */ + /* + * XXX todo - examine bufferBit and set read/write pointers + */ + /* Normally, we would have + * ctx->Driver.ReadBuffer == set_read_buffer + * ctx->Driver.DrawBuffer == set_draw_buffer + * and make sure set_draw_buffer calls _swrast_DrawBuffer, + * which in turn will call this routine via dd->SetBuffer. + */ } - /* * Return the width and height of the current buffer. * If anything special has to been done when the buffer/window is * resized, do it now. */ -static void get_buffer_size (GLframebuffer *buffer, GLuint *width, GLuint *height) +static void +get_buffer_size (GLframebuffer *buffer, GLuint *width, GLuint *height) { - DMesaBuffer b = (DMesaBuffer)buffer; + DMesaBuffer b = (DMesaBuffer)buffer; - *width = b->width; - *height = b->height; + *width = b->width; + *height = b->height; } - -static const GLubyte* get_string (GLcontext *ctx, GLenum name) +static const GLubyte * +get_string (GLcontext *ctx, GLenum name) { - switch (name) { - case GL_RENDERER: - return (const GLubyte *)"Mesa DJGPP"; - default: - return NULL; - } + switch (name) { + case GL_RENDERER: + return (const GLubyte *)"Mesa DJGPP"; + default: + return NULL; + } } - -static void finish (GLcontext *ctx) +static void +finish (GLcontext *ctx) { - /* - * XXX todo - OPTIONAL FUNCTION: implements glFinish if possible - */ + /* + * XXX todo - OPTIONAL FUNCTION: implements glFinish if possible + */ } - -static void flush (GLcontext *ctx) +static void +flush (GLcontext *ctx) { - /* - * XXX todo - OPTIONAL FUNCTION: implements glFlush if possible - */ + /* + * XXX todo - OPTIONAL FUNCTION: implements glFlush if possible + */ } - /**************************************************************************** * State ***************************************************************************/ -#define DMESA_NEW_LINE (_NEW_LINE | \ - _NEW_TEXTURE | \ - _NEW_LIGHT | \ - _NEW_DEPTH | \ - _NEW_RENDERMODE | \ - _SWRAST_NEW_RASTERMASK) +#define DMESA_NEW_LINE (_NEW_LINE | \ + _NEW_TEXTURE | \ + _NEW_LIGHT | \ + _NEW_DEPTH | \ + _NEW_RENDERMODE | \ + _SWRAST_NEW_RASTERMASK) #define DMESA_NEW_TRIANGLE (_NEW_POLYGON | \ _NEW_TEXTURE | \ @@ -869,88 +862,88 @@ static void flush (GLcontext *ctx) /* Extend the software rasterizer with our line and triangle * functions. */ -static void dmesa_register_swrast_functions (GLcontext *ctx) +static void +dmesa_register_swrast_functions (GLcontext *ctx) { - SWcontext *swrast = SWRAST_CONTEXT(ctx); + SWcontext *swrast = SWRAST_CONTEXT(ctx); - swrast->choose_line = dmesa_choose_line; - swrast->choose_triangle = dmesa_choose_tri; + swrast->choose_line = dmesa_choose_line; + swrast->choose_triangle = dmesa_choose_tri; - swrast->invalidate_line |= DMESA_NEW_LINE; - swrast->invalidate_triangle |= DMESA_NEW_TRIANGLE; + swrast->invalidate_line |= DMESA_NEW_LINE; + swrast->invalidate_triangle |= DMESA_NEW_TRIANGLE; } - -static void dmesa_update_state (GLcontext *ctx, GLuint new_state) +static void +dmesa_update_state (GLcontext *ctx, GLuint new_state) { - /* Propagate statechange information to swrast and swrast_setup - * modules. The DMesa driver has no internal GL-dependent state. - */ - _swrast_InvalidateState( ctx, new_state ); - _ac_InvalidateState( ctx, new_state ); - _tnl_InvalidateState( ctx, new_state ); - _swsetup_InvalidateState( ctx, new_state ); + /* Propagate statechange information to swrast and swrast_setup + * modules. The DMesa driver has no internal GL-dependent state. + */ + _swrast_InvalidateState( ctx, new_state ); + _ac_InvalidateState( ctx, new_state ); + _tnl_InvalidateState( ctx, new_state ); + _swsetup_InvalidateState( ctx, new_state ); } - /* Initialize the device driver function table with the functions * we implement in this driver. */ -static void dmesa_init_driver_functions (DMesaVisual visual, - struct dd_function_table *driver) +static void +dmesa_init_driver_functions (DMesaVisual visual, + struct dd_function_table *driver) { - driver->UpdateState = dmesa_update_state; - driver->GetString = get_string; - driver->GetBufferSize = get_buffer_size; - driver->Flush = flush; - driver->Finish = finish; - driver->Clear = clear; - driver->ClearColor = clear_color; - driver->ClearIndex = clear_index; + driver->UpdateState = dmesa_update_state; + driver->GetString = get_string; + driver->GetBufferSize = get_buffer_size; + driver->Flush = flush; + driver->Finish = finish; + driver->Clear = clear; + driver->ClearColor = clear_color; + driver->ClearIndex = clear_index; #if SWTC - driver->ChooseTextureFormat = choose_tex_format; + driver->ChooseTextureFormat = choose_tex_format; #endif } - /* Setup pointers and other driver state that is constant for the life * of a context. */ -static void dmesa_init_pointers (GLcontext *ctx) +static void +dmesa_init_pointers (GLcontext *ctx) { - struct swrast_device_driver *dd = _swrast_GetDeviceDriverReference(ctx); - - dd->SetBuffer = set_buffer; - - /* The span functions should be in `dmesa_update_state', but I'm - * pretty sure they will never change during the life of the Visual - */ - - /* Index span/pixel functions */ - dd->WriteCI32Span = write_index_span; - dd->WriteCI8Span = write_index8_span; - dd->WriteMonoCISpan = write_mono_index_span; - dd->WriteCI32Pixels = write_index_pixels; - dd->WriteMonoCIPixels = write_mono_index_pixels; - dd->ReadCI32Span = read_index_span; - dd->ReadCI32Pixels = read_index_pixels; - - /* RGB(A) span/pixel functions */ - dd->WriteRGBASpan = write_rgba_span; - dd->WriteRGBSpan = write_rgb_span; - dd->WriteMonoRGBASpan = write_mono_rgba_span; - dd->WriteRGBAPixels = write_rgba_pixels; - dd->WriteMonoRGBAPixels = write_mono_rgba_pixels; - dd->ReadRGBASpan = read_rgba_span; - dd->ReadRGBAPixels = read_rgba_pixels; + struct swrast_device_driver *dd = _swrast_GetDeviceDriverReference(ctx); + + dd->SetBuffer = set_buffer; + + /* The span functions should be in `dmesa_update_state', but I'm + * pretty sure they will never change during the life of the Visual + */ + + /* Index span/pixel functions */ + dd->WriteCI32Span = write_index_span; + dd->WriteCI8Span = write_index8_span; + dd->WriteMonoCISpan = write_mono_index_span; + dd->WriteCI32Pixels = write_index_pixels; + dd->WriteMonoCIPixels = write_mono_index_pixels; + dd->ReadCI32Span = read_index_span; + dd->ReadCI32Pixels = read_index_pixels; + + /* RGB(A) span/pixel functions */ + dd->WriteRGBASpan = write_rgba_span; + dd->WriteRGBSpan = write_rgb_span; + dd->WriteMonoRGBASpan = write_mono_rgba_span; + dd->WriteRGBAPixels = write_rgba_pixels; + dd->WriteMonoRGBAPixels = write_mono_rgba_pixels; + dd->ReadRGBASpan = read_rgba_span; + dd->ReadRGBAPixels = read_rgba_pixels; } #endif /* FX */ - /**************************************************************************** * DMesa Public API Functions ***************************************************************************/ @@ -958,457 +951,456 @@ static void dmesa_init_pointers (GLcontext *ctx) /* * The exact arguments to this function will depend on your window system */ -DMesaVisual DMesaCreateVisual (GLint width, - GLint height, - GLint colDepth, - GLint refresh, - GLboolean dbFlag, - GLboolean rgbFlag, - GLint alphaSize, - GLint depthSize, - GLint stencilSize, - GLint accumSize) +DMesaVisual +DMesaCreateVisual (GLint width, + GLint height, + GLint colDepth, + GLint refresh, + GLboolean dbFlag, + GLboolean rgbFlag, + GLint alphaSize, + GLint depthSize, + GLint stencilSize, + GLint accumSize) { - DMesaVisual v; - GLint redBits, greenBits, blueBits, alphaBits, indexBits; - GLboolean sw_alpha; - - alphaBits = 0; - - if (!rgbFlag) { - indexBits = 8; - redBits = 0; - greenBits = 0; - blueBits = 0; - } else { - indexBits = 0; - switch (colDepth) { - case 8: - redBits = 8; - greenBits = 8; - blueBits = 8; - break; - case 15: - alphaBits = 1; - redBits = 5; - greenBits = 5; - blueBits = 5; - break; - case 16: - redBits = 5; - greenBits = 6; - blueBits = 5; - break; - case 32: - alphaBits = 8; - case 24: - redBits = 8; - greenBits = 8; - blueBits = 8; - break; - default: - return NULL; - } - } - - /* Okay, - * `alphaBits' is what we can provide - * `alphaSize' is what app requests - * - * Note that alpha buffering is required only if destination alpha is used - * in alpha blending; alpha blending modes that do not use destination alpha - * can be used w/o alpha buffer. - * - * We will use whatever ALPHA app requests. Later, in `CreateBuffer' we'll - * instruct Mesa to use its own ALPHA buffer, by passing a non-FALSE value - * for ALPHA to `_mesa_initialize_framebuffer'. - * - * Basically, 32bit modes provide ALPHA storage, but can we rely on this? - */ - alphaBits = alphaSize; - sw_alpha = (alphaBits > 0); + DMesaVisual v; + GLint redBits, greenBits, blueBits, alphaBits, indexBits; + GLboolean sw_alpha; + + alphaBits = 0; + + if (!rgbFlag) { + indexBits = 8; + redBits = 0; + greenBits = 0; + blueBits = 0; + } else { + indexBits = 0; + switch (colDepth) { + case 8: + redBits = 8; + greenBits = 8; + blueBits = 8; + break; + case 15: + alphaBits = 1; + redBits = 5; + greenBits = 5; + blueBits = 5; + break; + case 16: + redBits = 5; + greenBits = 6; + blueBits = 5; + break; + case 32: + alphaBits = 8; + case 24: + redBits = 8; + greenBits = 8; + blueBits = 8; + break; + default: + return NULL; + } + } + + /* Okay, + * `alphaBits' is what we can provide + * `alphaSize' is what app requests + * + * Note that alpha buffering is required only if destination alpha is used + * in alpha blending; alpha blending modes that do not use destination alpha + * can be used w/o alpha buffer. + * + * We will use whatever ALPHA app requests. Later, in `CreateBuffer' we'll + * instruct Mesa to use its own ALPHA buffer, by passing a non-FALSE value + * for ALPHA to `_mesa_initialize_framebuffer'. + * + * Basically, 32bit modes provide ALPHA storage, but can we rely on this? + */ + alphaBits = alphaSize; + sw_alpha = (alphaBits > 0); #ifndef FX - if (!dbFlag) { - return NULL; - } - if ((colDepth=vl_video_init(width, height, colDepth, rgbFlag, refresh)) <= 0) { - return NULL; - } + if (!dbFlag) { + return NULL; + } + if ((colDepth=vl_video_init(width, height, colDepth, rgbFlag, refresh)) <= 0) { + return NULL; + } #else /* FX */ - if (!rgbFlag) { - return NULL; - } else { - char *env; - - if ((env = getenv("MESA_FX_INFO")) && (env[0] == 'r')) { - freopen("MESA.LOG", "w", stderr); - } - - if (refresh && (((env = getenv("FX_GLIDE_REFRESH")) == NULL) || !atoi(env))) { - /* if we are passed non-zero value for refresh, we need to override - * default refresh rate. However, if FX_GLIDE_REFRESH is already set - * to 0, we won't override it, because it has a special meaning for - * DJGPP Glide3x (switch via VESA, using BIOS default refresh). - */ - char tmp[32]; - sprintf(tmp, "FX_GLIDE_REFRESH=%u", refresh); - putenv(tmp); - } - } + if (!rgbFlag) { + return NULL; + } else { + char *env; + + if ((env = getenv("MESA_FX_INFO")) && (env[0] == 'r')) { + freopen("MESA.LOG", "w", stderr); + } + + if (refresh && (((env = getenv("FX_GLIDE_REFRESH")) == NULL) || !atoi(env))) { + /* if we are passed non-zero value for refresh, we need to override + * default refresh rate. However, if FX_GLIDE_REFRESH is already set + * to 0, we won't override it, because it has a special meaning for + * DJGPP Glide3x (switch via VESA, using BIOS default refresh). + */ + char tmp[32]; + sprintf(tmp, "FX_GLIDE_REFRESH=%u", refresh); + putenv(tmp); + } + } #endif /* FX */ - if ((v=(DMesaVisual)CALLOC_STRUCT(dmesa_visual)) != NULL) { - /* Create core visual */ - _mesa_initialize_visual((GLvisual *)v, - rgbFlag, /* rgb */ - dbFlag, - GL_FALSE, /* stereo */ - redBits, - greenBits, - blueBits, - alphaBits, - indexBits, /* indexBits */ - depthSize, - stencilSize, - accumSize, /* accumRed */ - accumSize, /* accumGreen */ - accumSize, /* accumBlue */ - alphaBits?accumSize:0, /* accumAlpha */ - 1); /* numSamples */ + if ((v=(DMesaVisual)CALLOC_STRUCT(dmesa_visual)) != NULL) { + /* Create core visual */ + _mesa_initialize_visual((GLvisual *)v, + rgbFlag, /* rgb */ + dbFlag, + GL_FALSE, /* stereo */ + redBits, + greenBits, + blueBits, + alphaBits, + indexBits, /* indexBits */ + depthSize, + stencilSize, + accumSize, /* accumRed */ + accumSize, /* accumGreen */ + accumSize, /* accumBlue */ + alphaBits?accumSize:0, /* accumAlpha */ + 1); /* numSamples */ #ifndef FX - v->sw_alpha = sw_alpha; - v->z_buffer = (depthSize > 0) ? 1 : 0; + v->sw_alpha = sw_alpha; + v->z_buffer = (depthSize > 0) ? 1 : 0; #endif - } + } - return v; + return v; } - -void DMesaDestroyVisual (DMesaVisual v) +void +DMesaDestroyVisual (DMesaVisual v) { #ifndef FX - vl_video_exit(); + vl_video_exit(); #endif - _mesa_destroy_visual((GLvisual *)v); + _mesa_destroy_visual((GLvisual *)v); } - -DMesaBuffer DMesaCreateBuffer (DMesaVisual visual, - GLint xpos, GLint ypos, - GLint width, GLint height) +DMesaBuffer +DMesaCreateBuffer (DMesaVisual visual, + GLint xpos, GLint ypos, + GLint width, GLint height) { #ifndef FX - DMesaBuffer b; - - if ((b=(DMesaBuffer)CALLOC_STRUCT(dmesa_buffer)) != NULL) { - _mesa_initialize_framebuffer((GLframebuffer *)b, - (GLvisual *)visual, - visual->z_buffer == 1, - ((GLvisual *)visual)->stencilBits > 0, - ((GLvisual *)visual)->accumRedBits > 0, - visual->sw_alpha); - b->xpos = xpos; - b->ypos = ypos; - b->width = width; - b->height = height; - } - - return b; + DMesaBuffer b; + + if ((b=(DMesaBuffer)CALLOC_STRUCT(dmesa_buffer)) != NULL) { + _mesa_initialize_framebuffer((GLframebuffer *)b, + (GLvisual *)visual, + visual->z_buffer == 1, + ((GLvisual *)visual)->stencilBits > 0, + ((GLvisual *)visual)->accumRedBits > 0, + visual->sw_alpha); + b->xpos = xpos; + b->ypos = ypos; + b->width = width; + b->height = height; + } + + return b; #else /* FX */ - GLvisual *v = (GLvisual *)visual; - int i = 0, fx_attrib[32]; + GLvisual *v = (GLvisual *)visual; + int i = 0, fx_attrib[32]; - if (v->doubleBufferMode) fx_attrib[i++] = FXMESA_DOUBLEBUFFER; - if (v->depthBits > 0) { fx_attrib[i++] = FXMESA_DEPTH_SIZE; fx_attrib[i++] = v->depthBits; } - if (v->stencilBits > 0) { fx_attrib[i++] = FXMESA_STENCIL_SIZE; fx_attrib[i++] = v->stencilBits; } - if (v->accumRedBits > 0) { fx_attrib[i++] = FXMESA_ACCUM_SIZE; fx_attrib[i++] = v->accumRedBits; } - if (v->alphaBits) { fx_attrib[i++] = FXMESA_ALPHA_SIZE; fx_attrib[i++] = v->alphaBits; } - fx_attrib[i++] = FXMESA_COLORDEPTH; - fx_attrib[i++] = v->redBits + v->greenBits + v->blueBits; - fx_attrib[i] = FXMESA_NONE; + if (v->doubleBufferMode) fx_attrib[i++] = FXMESA_DOUBLEBUFFER; + if (v->depthBits > 0) { fx_attrib[i++] = FXMESA_DEPTH_SIZE; fx_attrib[i++] = v->depthBits; } + if (v->stencilBits > 0) { fx_attrib[i++] = FXMESA_STENCIL_SIZE; fx_attrib[i++] = v->stencilBits; } + if (v->accumRedBits > 0) { fx_attrib[i++] = FXMESA_ACCUM_SIZE; fx_attrib[i++] = v->accumRedBits; } + if (v->alphaBits) { fx_attrib[i++] = FXMESA_ALPHA_SIZE; fx_attrib[i++] = v->alphaBits; } + fx_attrib[i++] = FXMESA_COLORDEPTH; + fx_attrib[i++] = v->redBits + v->greenBits + v->blueBits; + fx_attrib[i] = FXMESA_NONE; - return (DMesaBuffer)fxMesaCreateBestContext(-1, width, height, fx_attrib); + return (DMesaBuffer)fxMesaCreateBestContext(-1, width, height, fx_attrib); #endif /* FX */ } - -void DMesaDestroyBuffer (DMesaBuffer b) +void +DMesaDestroyBuffer (DMesaBuffer b) { #ifndef FX - if (b->the_window != NULL) { - free(b->the_window); - } - _mesa_destroy_framebuffer((GLframebuffer *)b); + if (b->the_window != NULL) { + free(b->the_window); + } + _mesa_destroy_framebuffer((GLframebuffer *)b); #else - fxMesaDestroyContext((fxMesaContext)b); + fxMesaDestroyContext((fxMesaContext)b); #endif } - -DMesaContext DMesaCreateContext (DMesaVisual visual, - DMesaContext share) +DMesaContext +DMesaCreateContext (DMesaVisual visual, DMesaContext share) { - GLcontext *c; + GLcontext *c; #ifndef FX - TNLcontext *tnl; - struct dd_function_table functions; - - if ((c=(GLcontext *)CALLOC_STRUCT(dmesa_context)) != NULL) { - /* Initialize device driver function table */ - _mesa_init_driver_functions(&functions); - /* override with our functions */ - dmesa_init_driver_functions(visual, &functions); - - _mesa_initialize_context(c, - (GLvisual *)visual, - (GLcontext *)share, - &functions, - (void *)c); + TNLcontext *tnl; + struct dd_function_table functions; + + if ((c=(GLcontext *)CALLOC_STRUCT(dmesa_context)) != NULL) { + /* Initialize device driver function table */ + _mesa_init_driver_functions(&functions); + /* override with our functions */ + dmesa_init_driver_functions(visual, &functions); + + _mesa_initialize_context(c, + (GLvisual *)visual, + (GLcontext *)share, + &functions, + (void *)c); - _mesa_enable_sw_extensions(c); - _mesa_enable_1_3_extensions(c); - _mesa_enable_1_4_extensions(c); - _mesa_enable_1_5_extensions(c); - _mesa_enable_2_0_extensions(c); + _mesa_enable_sw_extensions(c); + _mesa_enable_1_3_extensions(c); + _mesa_enable_1_4_extensions(c); + _mesa_enable_1_5_extensions(c); + _mesa_enable_2_0_extensions(c); #if SWTC - if (c->Mesa_DXTn) { - _mesa_enable_extension(c, "GL_EXT_texture_compression_s3tc"); - _mesa_enable_extension(c, "GL_S3_s3tc"); - } - _mesa_enable_extension(c, "GL_3DFX_texture_compression_FXT1"); + if (c->Mesa_DXTn) { + _mesa_enable_extension(c, "GL_EXT_texture_compression_s3tc"); + _mesa_enable_extension(c, "GL_S3_s3tc"); + } + _mesa_enable_extension(c, "GL_3DFX_texture_compression_FXT1"); #endif - /* you probably have to do a bunch of other initializations here. */ - ((DMesaContext)c)->visual = visual; - - /* Initialize the software rasterizer and helper modules. - */ - _swrast_CreateContext(c); - _ac_CreateContext(c); - _tnl_CreateContext(c); - _swsetup_CreateContext(c); - /* tnl setup */ - tnl = TNL_CONTEXT(c); - tnl->Driver.RunPipeline = _tnl_run_pipeline; - /* swrast setup */ - if (((GLvisual *)visual)->rgbMode) dmesa_register_swrast_functions(c); - dmesa_init_pointers(c); - _swsetup_Wakeup(c); - } + /* you probably have to do a bunch of other initializations here. */ + ((DMesaContext)c)->visual = visual; + + /* Initialize the software rasterizer and helper modules. + */ + _swrast_CreateContext(c); + _ac_CreateContext(c); + _tnl_CreateContext(c); + _swsetup_CreateContext(c); + /* tnl setup */ + tnl = TNL_CONTEXT(c); + tnl->Driver.RunPipeline = _tnl_run_pipeline; + /* swrast setup */ + if (((GLvisual *)visual)->rgbMode) dmesa_register_swrast_functions(c); + dmesa_init_pointers(c); + _swsetup_Wakeup(c); + } #else /* FX */ - c = (GLcontext *)0xdeadbeef; + c = (GLcontext *)0xdeadbeef; #endif /* FX */ - return (DMesaContext)c; + return (DMesaContext)c; } - -void DMesaDestroyContext (DMesaContext c) +void +DMesaDestroyContext (DMesaContext c) { #ifndef FX - if (c) { - _swsetup_DestroyContext((GLcontext *)c); - _swrast_DestroyContext((GLcontext *)c); - _tnl_DestroyContext((GLcontext *)c); - _ac_DestroyContext((GLcontext *)c); - _mesa_destroy_context((GLcontext *)c); - } + if (c) { + _swsetup_DestroyContext((GLcontext *)c); + _swrast_DestroyContext((GLcontext *)c); + _tnl_DestroyContext((GLcontext *)c); + _ac_DestroyContext((GLcontext *)c); + _mesa_destroy_context((GLcontext *)c); + } #endif } - -GLboolean DMesaMoveBuffer (GLint xpos, GLint ypos) +GLboolean +DMesaMoveBuffer (GLint xpos, GLint ypos) { #ifndef FX - GET_CURRENT_CONTEXT(ctx); - DMesaBuffer b = ((DMesaContext)ctx)->buffer; - - if (vl_sync_buffer(&b->the_window, xpos, ypos, b->width, b->height) == 0) { - b->xpos = xpos; - b->ypos = ypos; - return GL_TRUE; - } + GET_CURRENT_CONTEXT(ctx); + DMesaBuffer b = ((DMesaContext)ctx)->buffer; + + if (vl_sync_buffer(&b->the_window, xpos, ypos, b->width, b->height) == 0) { + b->xpos = xpos; + b->ypos = ypos; + return GL_TRUE; + } #endif - return GL_FALSE; + return GL_FALSE; } - -GLboolean DMesaResizeBuffer (GLint width, GLint height) +GLboolean +DMesaResizeBuffer (GLint width, GLint height) { #ifndef FX - GET_CURRENT_CONTEXT(ctx); - DMesaBuffer b = ((DMesaContext)ctx)->buffer; - - if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, width, height) == 0) { - b->width = width; - b->height = height; - return GL_TRUE; - } + GET_CURRENT_CONTEXT(ctx); + DMesaBuffer b = ((DMesaContext)ctx)->buffer; + + if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, width, height) == 0) { + b->width = width; + b->height = height; + return GL_TRUE; + } #endif - return GL_FALSE; + return GL_FALSE; } - /* * Make the specified context and buffer the current one. */ -GLboolean DMesaMakeCurrent (DMesaContext c, DMesaBuffer b) +GLboolean +DMesaMakeCurrent (DMesaContext c, DMesaBuffer b) { #ifndef FX - if ((c != NULL) && (b != NULL)) { - if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, b->width, b->height) != 0) { - return GL_FALSE; - } - - c->buffer = b; - - _mesa_make_current((GLcontext *)c, (GLframebuffer *)b); - if (((GLcontext *)c)->Viewport.Width == 0) { - /* initialize viewport to window size */ - _mesa_Viewport(0, 0, b->width, b->height); - } - } else { - /* Detach */ - _mesa_make_current(NULL, NULL); - } + if ((c != NULL) && (b != NULL)) { + if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, b->width, b->height) != 0) { + return GL_FALSE; + } + + c->buffer = b; + + _mesa_make_current((GLcontext *)c, (GLframebuffer *)b); + if (((GLcontext *)c)->Viewport.Width == 0) { + /* initialize viewport to window size */ + _mesa_Viewport(0, 0, b->width, b->height); + } + } else { + /* Detach */ + _mesa_make_current(NULL, NULL); + } #else - fxMesaMakeCurrent((fxMesaContext)b); + fxMesaMakeCurrent((fxMesaContext)b); #endif - return GL_TRUE; + return GL_TRUE; } - -void DMesaSwapBuffers (DMesaBuffer b) +void +DMesaSwapBuffers (DMesaBuffer b) { - /* copy/swap back buffer to front if applicable */ + /* copy/swap back buffer to front if applicable */ #ifndef FX - GET_CURRENT_CONTEXT(ctx); - _mesa_notifySwapBuffers(ctx); - vl_flip(); + GET_CURRENT_CONTEXT(ctx); + _mesa_notifySwapBuffers(ctx); + vl_flip(); #else - fxMesaSwapBuffers(); + fxMesaSwapBuffers(); #endif } - -void DMesaSetCI (int ndx, GLfloat red, GLfloat green, GLfloat blue) +void +DMesaSetCI (int ndx, GLfloat red, GLfloat green, GLfloat blue) { #ifndef FX - vl_setCI(ndx, red, green, blue); + vl_setCI(ndx, red, green, blue); #endif } - -DMesaContext DMesaGetCurrentContext (void) +DMesaContext +DMesaGetCurrentContext (void) { - GET_CURRENT_CONTEXT(ctx); + GET_CURRENT_CONTEXT(ctx); #ifndef FX #else - if (ctx != NULL) { - ctx = (GLcontext *)0xdeadbeef; - } + if (ctx != NULL) { + ctx = (GLcontext *)0xdeadbeef; + } #endif - return (DMesaContext)ctx; + return (DMesaContext)ctx; } - -DMesaBuffer DMesaGetCurrentBuffer (void) +DMesaBuffer +DMesaGetCurrentBuffer (void) { - const DMesaContext dmesa = DMesaGetCurrentContext(); + const DMesaContext dmesa = DMesaGetCurrentContext(); - if (dmesa == NULL) { - return NULL; - } + if (dmesa == NULL) { + return NULL; + } #ifndef FX - return dmesa->buffer; + return dmesa->buffer; #else - return (DMesaBuffer)fxMesaGetCurrentContext(); + return (DMesaBuffer)fxMesaGetCurrentContext(); #endif } - -void *DMesaGetProcAddress (const char *name) +void * +DMesaGetProcAddress (const char *name) { - void *p = (void *)_glapi_get_proc_address(name); + void *p = (void *)_glapi_get_proc_address(name); -/* TODO: handle DMesa* namespace - if (p == NULL) { - } -*/ + /* TODO: handle DMesa* namespace + if (p == NULL) { + } + */ - return p; + return p; } - -int DMesaGetIntegerv (GLenum pname, GLint *params) +int +DMesaGetIntegerv (GLenum pname, GLint *params) { - switch (pname) { - case DMESA_GET_SCREEN_SIZE: - #ifndef FX - vl_get(VL_GET_SCREEN_SIZE, params); - #else - fxGetScreenGeometry(¶ms[0], ¶ms[1]); - #endif - break; - case DMESA_GET_DRIVER_CAPS: - #ifndef FX - params[0] = DMESA_DRIVER_SWDB_BIT; - #else - params[0] = DMESA_DRIVER_LLWO_BIT; - #endif - break; - case DMESA_GET_VIDEO_MODES: - #ifndef FX - return vl_get(VL_GET_VIDEO_MODES, params); - #else - return -1; /* TODO */ - #endif - case DMESA_GET_BUFFER_ADDR: - #ifndef FX - { - DMesaContext c = (DMesaContext)DMesaGetCurrentContext(); - if (c != NULL) { - DMesaBuffer b = c->buffer; - if (b != NULL) { - params[0] = (GLint)b->the_window; - } - } - } - #else - return -1; - #endif - break; - default: - return -1; - } - - return 0; + switch (pname) { + case DMESA_GET_SCREEN_SIZE: + #ifndef FX + vl_get(VL_GET_SCREEN_SIZE, params); + #else + fxGetScreenGeometry(¶ms[0], ¶ms[1]); + #endif + break; + case DMESA_GET_DRIVER_CAPS: + #ifndef FX + params[0] = DMESA_DRIVER_SWDB_BIT; + #else + params[0] = DMESA_DRIVER_LLWO_BIT; + #endif + break; + case DMESA_GET_VIDEO_MODES: + #ifndef FX + return vl_get(VL_GET_VIDEO_MODES, params); + #else + return -1; /* TODO */ + #endif + case DMESA_GET_BUFFER_ADDR: { + #ifndef FX + DMesaContext c = (DMesaContext)DMesaGetCurrentContext(); + if (c != NULL) { + DMesaBuffer b = c->buffer; + if (b != NULL) { + params[0] = (GLint)b->the_window; + } + } + break; + #else + return -1; + #endif + } + default: + return -1; + } + + return 0; } @@ -1421,9 +1413,9 @@ extern_asm(_malloc); extern_asm(_memset); DXE_EXPORT_TABLE_AUTO (___dxe_eta___dxtn) - DXE_EXPORT_ASM (___dj_assert) - DXE_EXPORT_ASM (_free) - DXE_EXPORT_ASM (_malloc) - DXE_EXPORT_ASM (_memset) + DXE_EXPORT_ASM (___dj_assert) + DXE_EXPORT_ASM (_free) + DXE_EXPORT_ASM (_malloc) + DXE_EXPORT_ASM (_memset) DXE_EXPORT_END #endif diff --git a/src/mesa/drivers/dos/dpmi.c b/src/mesa/drivers/dos/dpmi.c index f9943ea60b..81af6ac5d0 100644 --- a/src/mesa/drivers/dos/dpmi.c +++ b/src/mesa/drivers/dos/dpmi.c @@ -23,7 +23,7 @@ */ /* - * DOS/DJGPP device driver v1.4 for Mesa + * DOS/DJGPP device driver v1.5 for Mesa * * Copyright (C) 2002 - Borca Daniel * Email : dborca@yahoo.com @@ -36,100 +36,99 @@ #include "internal.h" - #ifndef MAX -#define MAX(x, y) (((x)<(y))?(y):(x)) +#define MAX(x, y) (((x) < (y)) ? (y) : (x)) #endif - /* _create_linear_mapping: * Maps a physical address range into linear memory. */ -int _create_linear_mapping (unsigned long *linear, unsigned long physaddr, int size) +int +_create_linear_mapping (unsigned long *linear, unsigned long physaddr, int size) { - __dpmi_meminfo meminfo; - - if (physaddr >= 0x100000) { - /* map into linear memory */ - meminfo.address = physaddr; - meminfo.size = size; - if (__dpmi_physical_address_mapping(&meminfo) != 0) - return -1; - - *linear = meminfo.address; - } else { - /* exploit 1 -> 1 physical to linear mapping in low megabyte */ - *linear = physaddr; - } - - return 0; + __dpmi_meminfo meminfo; + + if (physaddr >= 0x100000) { + /* map into linear memory */ + meminfo.address = physaddr; + meminfo.size = size; + if (__dpmi_physical_address_mapping(&meminfo) != 0) { + return -1; + } + + *linear = meminfo.address; + } else { + /* exploit 1 -> 1 physical to linear mapping in low megabyte */ + *linear = physaddr; + } + + return 0; } - /* _remove_linear_mapping: * Frees the DPMI resources being used to map a linear address range. */ -void _remove_linear_mapping (unsigned long *linear) +void +_remove_linear_mapping (unsigned long *linear) { - __dpmi_meminfo meminfo; + __dpmi_meminfo meminfo; - if (*linear) { - if (*linear >= 0x100000) { - meminfo.address = *linear; - __dpmi_free_physical_address_mapping(&meminfo); - } + if (*linear) { + if (*linear >= 0x100000) { + meminfo.address = *linear; + __dpmi_free_physical_address_mapping(&meminfo); + } - *linear = 0; - } + *linear = 0; + } } - /* _create_selector: * Allocates a selector to access a region of linear memory. */ -int _create_selector (int *segment, unsigned long base, int size) +int +_create_selector (int *segment, unsigned long base, int size) { - /* allocate an ldt descriptor */ - if ((*segment=__dpmi_allocate_ldt_descriptors(1)) < 0) { - *segment = 0; - return -1; - } - - /* create the linear mapping */ - if (_create_linear_mapping(&base, base, size)) { - __dpmi_free_ldt_descriptor(*segment); - *segment = 0; - return -1; - } - - /* set the descriptor base and limit */ - __dpmi_set_segment_base_address(*segment, base); - __dpmi_set_segment_limit(*segment, MAX(size-1, 0xFFFF)); - - return 0; + /* allocate an ldt descriptor */ + if ((*segment=__dpmi_allocate_ldt_descriptors(1)) < 0) { + *segment = 0; + return -1; + } + + /* create the linear mapping */ + if (_create_linear_mapping(&base, base, size)) { + __dpmi_free_ldt_descriptor(*segment); + *segment = 0; + return -1; + } + + /* set the descriptor base and limit */ + __dpmi_set_segment_base_address(*segment, base); + __dpmi_set_segment_limit(*segment, MAX(size-1, 0xFFFF)); + + return 0; } - /* _remove_selector: * Frees a DPMI segment selector. */ -void _remove_selector (int *segment) +void +_remove_selector (int *segment) { - if (*segment) { - unsigned long base; - __dpmi_get_segment_base_address(*segment, &base); - _remove_linear_mapping(&base); - __dpmi_free_ldt_descriptor(*segment); - *segment = 0; - } + if (*segment) { + unsigned long base; + __dpmi_get_segment_base_address(*segment, &base); + _remove_linear_mapping(&base); + __dpmi_free_ldt_descriptor(*segment); + *segment = 0; + } } - /* Desc: retrieve CPU MMX capability * * In : - @@ -137,12 +136,31 @@ void _remove_selector (int *segment) * * Note: - */ -int _can_mmx (void) +int +_can_mmx (void) { #ifdef USE_MMX_ASM - extern int _mesa_x86_cpu_features; - return (_mesa_x86_cpu_features & 0x00800000); + static int x86_cpu_features = 0; + __asm("\n\ + pushfl \n\ + popl %%eax \n\ + movl %%eax, %%ecx \n\ + xorl $0x200000, %%eax\n\ + pushl %%eax \n\ + popfl \n\ + pushfl \n\ + popl %%eax \n\ + pushl %%ecx \n\ + popfl \n\ + xorl %%ecx, %%eax \n\ + jz 0f \n\ + movl $1, %%eax \n\ + cpuid \n\ + movl %%edx, %0 \n\ + 0: \n\ + ":"=g"(x86_cpu_features)::"%eax", "%ebx", "%ecx", "%edx"); + return (x86_cpu_features & 0x00800000); #else - return 0; + return 0; #endif } diff --git a/src/mesa/drivers/dos/internal.h b/src/mesa/drivers/dos/internal.h index fd47dbb7b8..85b94d3773 100644 --- a/src/mesa/drivers/dos/internal.h +++ b/src/mesa/drivers/dos/internal.h @@ -23,7 +23,7 @@ */ /* - * DOS/DJGPP device driver v1.5 for Mesa + * DOS/DJGPP device driver v1.6 for Mesa * * Copyright (C) 2002 - Borca Daniel * Email : dborca@users.sourceforge.net @@ -36,6 +36,7 @@ #include "../main/mtypes.h" + /* * general purpose defines, etc. */ @@ -54,39 +55,36 @@ typedef unsigned long word32; #define _32_ *(word32 *)& - /* * video mode structure */ typedef struct vl_mode { - int xres, yres; - int bpp; + int xres, yres; + int bpp; - int mode; - int scanlen; + int mode; + int scanlen; - int sel; - int gran; + int sel; + int gran; } vl_mode; - /* * video driver structure */ typedef struct { - vl_mode *(*init) (void); - int (*entermode) (vl_mode *p, int refresh); - void (*blit) (void); - void (*setCI_f) (int index, float red, float green, float blue); - void (*setCI_i) (int index, int red, int green, int blue); - int (*get) (int pname, int *params); - void (*restore) (void); - void (*fini) (void); + vl_mode *(*init) (void); + int (*entermode) (vl_mode *p, int refresh); + void (*blit) (void); + void (*setCI_f) (int index, float red, float green, float blue); + void (*setCI_i) (int index, int red, int green, int blue); + int (*get) (int pname, int *params); + void (*restore) (void); + void (*fini) (void); } vl_driver; - /* * memory mapping */ @@ -95,11 +93,13 @@ void _remove_linear_mapping (unsigned long *linear); int _create_selector (int *segment, unsigned long base, int size); void _remove_selector (int *segment); + /* * system routines */ int _can_mmx (void); + /* * asm routines to deal with virtual buffering */ @@ -127,4 +127,5 @@ extern void v_putpixel16 (unsigned int offset, int color); extern void v_putpixel24 (unsigned int offset, int color); extern void v_putpixel32 (unsigned int offset, int color); + #endif diff --git a/src/mesa/drivers/dos/null.c b/src/mesa/drivers/dos/null.c index 62e2c942ef..369255a422 100644 --- a/src/mesa/drivers/dos/null.c +++ b/src/mesa/drivers/dos/null.c @@ -23,7 +23,7 @@ */ /* - * DOS/DJGPP device driver v1.6 for Mesa + * DOS/DJGPP device driver v1.7 for Mesa * * Copyright (C) 2002 - Borca Daniel * Email : dborca@users.sourceforge.net @@ -38,58 +38,57 @@ #include "null.h" - static vl_mode *modes; #define null_color_precision 8 - - -static void null_blit_nop (void) +static void +null_blit_nop (void) { } - -/* Desc: Attempts to detect VGA, check video modes and create selectors. +/* Desc: Attempts to detect NUL, check video modes and create selectors. * * In : - * Out : mode array * * Note: - */ -static vl_mode *null_init (void) +static vl_mode * +null_init (void) { - static int m[][2] = { - {320, 200}, - {320, 240}, - {400, 300}, - {512, 384}, - {640, 400}, - {640, 480}, - {800, 600}, - {1024, 768}, - {1280, 1024}, - {1600, 1200} - }; - static int b[] = { - 8, - 15, - 16, - 24, - 32 - }; - - unsigned int i, j, k; - - if (modes == NULL) { - modes = malloc(sizeof(vl_mode) * - (1 + (sizeof(m) / sizeof(m[0]) * sizeof(b) / sizeof(b[0])))); - - if (modes != NULL) { - for (k = 0, i = 0; i < sizeof(m) / sizeof(m[0]); i++) { - for (j = 0; j < sizeof(b) / sizeof(b[0]); j++, k++) { + static int m[][2] = { + { 320, 200 }, + { 320, 240 }, + { 400, 300 }, + { 512, 384 }, + { 640, 400 }, + { 640, 480 }, + { 800, 600 }, + { 1024, 768 }, + { 1280, 1024 }, + { 1600, 1200 } + }; + static int b[] = { + 8, + 15, + 16, + 24, + 32 + }; + const unsigned int m_count = sizeof(m) / sizeof(m[0]); + const unsigned int b_count = sizeof(b) / sizeof(b[0]); + + unsigned int i, j, k; + + if (modes == NULL) { + modes = malloc(sizeof(vl_mode) * (1 + m_count * b_count)); + + if (modes != NULL) { + for (k = 0, i = 0; i < m_count; i++) { + for (j = 0; j < b_count; j++, k++) { modes[k].xres = m[i][0]; modes[k].yres = m[i][1]; modes[k].bpp = b[j]; @@ -97,36 +96,39 @@ static vl_mode *null_init (void) modes[k].scanlen = m[i][0] * ((b[j] + 7) / 8); modes[k].sel = -1; modes[k].gran = -1; - } - } - modes[k].xres = -1; - modes[k].yres = -1; - modes[k].bpp = -1; - modes[k].mode = 0xffff; - modes[k].scanlen = -1; - modes[k].sel = -1; - modes[k].gran = -1; - } - } - - return modes; + } + } + modes[k].xres = -1; + modes[k].yres = -1; + modes[k].bpp = -1; + modes[k].mode = 0xffff; + modes[k].scanlen = -1; + modes[k].sel = -1; + modes[k].gran = -1; + } + } + + return modes; } - -/* Desc: Frees all resources allocated by VGA init code. +/* Desc: Frees all resources allocated by NUL init code. * * In : - * Out : - * * Note: - */ -static void null_fini (void) +static void +null_fini (void) { + if (modes != NULL) { + free(modes); + modes = NULL; + } } - /* Desc: Attempts to enter specified video mode. * * In : ptr to mode structure, refresh rate @@ -134,17 +136,17 @@ static void null_fini (void) * * Note: - */ -static int null_entermode (vl_mode *p, int refresh) +static int +null_entermode (vl_mode *p, int refresh) { - NUL.blit = null_blit_nop; + NUL.blit = null_blit_nop; - return 0; + return 0; - (void)(p && refresh); /* silence compiler warning */ + (void)(p && refresh); /* silence compiler warning */ } - /* Desc: Restores to the mode prior to first call to null_entermode. * * In : - @@ -152,12 +154,12 @@ static int null_entermode (vl_mode *p, int refresh) * * Note: - */ -static void null_restore (void) +static void +null_restore (void) { } - /* Desc: set one palette entry * * In : color index, R, G, B @@ -165,13 +167,13 @@ static void null_restore (void) * * Note: uses integer values */ -static void null_setCI_i (int index, int red, int green, int blue) +static void +null_setCI_i (int index, int red, int green, int blue) { - (void)(index && red && green && blue); /* silence compiler warning */ + (void)(index && red && green && blue); /* silence compiler warning */ } - /* Desc: set one palette entry * * In : color index, R, G, B @@ -179,15 +181,15 @@ static void null_setCI_i (int index, int red, int green, int blue) * * Note: uses normalized values */ -static void null_setCI_f (int index, float red, float green, float blue) +static void +null_setCI_f (int index, float red, float green, float blue) { - float max = (1 << null_color_precision) - 1; + float max = (1 << null_color_precision) - 1; - null_setCI_i(index, (int)(red * max), (int)(green * max), (int)(blue * max)); + null_setCI_i(index, (int)(red * max), (int)(green * max), (int)(blue * max)); } - /* Desc: state retrieval * * In : parameter name, ptr to storage @@ -195,28 +197,28 @@ static void null_setCI_f (int index, float red, float green, float blue) * * Note: - */ -static int null_get (int pname, int *params) +static int +null_get (int pname, int *params) { - switch (pname) { - default: - params[0] = params[0]; /* silence compiler warning */ - return -1; - } - return 0; + switch (pname) { + default: + params[0] = params[0]; /* silence compiler warning */ + return -1; + } + return 0; } - /* * the driver */ vl_driver NUL = { - null_init, - null_entermode, - NULL, - null_setCI_f, - null_setCI_i, - null_get, - null_restore, - null_fini + null_init, + null_entermode, + NULL, + null_setCI_f, + null_setCI_i, + null_get, + null_restore, + null_fini }; diff --git a/src/mesa/drivers/dos/vesa.c b/src/mesa/drivers/dos/vesa.c index e87651e4fd..cd48a24bfb 100644 --- a/src/mesa/drivers/dos/vesa.c +++ b/src/mesa/drivers/dos/vesa.c @@ -23,7 +23,7 @@ */ /* - * DOS/DJGPP device driver v1.5 for Mesa + * DOS/DJGPP device driver v1.6 for Mesa * * Copyright (C) 2002 - Borca Daniel * Email : dborca@users.sourceforge.net @@ -44,7 +44,6 @@ #include "vesa.h" - static vl_mode modes[128]; static word16 vesa_ver; @@ -57,7 +56,6 @@ static word16 *vesa_pmcode; unsigned int vesa_gran_mask, vesa_gran_shift; - /* * VESA info */ @@ -88,16 +86,16 @@ unsigned int vesa_gran_mask, vesa_gran_shift; * VESA 3.0 CRTC timings structure */ typedef struct CRTCInfoBlock { - unsigned short HorizontalTotal; - unsigned short HorizontalSyncStart; - unsigned short HorizontalSyncEnd; - unsigned short VerticalTotal; - unsigned short VerticalSyncStart; - unsigned short VerticalSyncEnd; - unsigned char Flags; - unsigned long PixelClock; /* units of Hz */ - unsigned short RefreshRate; /* units of 0.01 Hz */ - unsigned char reserved[40]; + unsigned short HorizontalTotal; + unsigned short HorizontalSyncStart; + unsigned short HorizontalSyncEnd; + unsigned short VerticalTotal; + unsigned short VerticalSyncStart; + unsigned short VerticalSyncEnd; + unsigned char Flags; + unsigned long PixelClock; /* units of Hz */ + unsigned short RefreshRate; /* units of 0.01 Hz */ + unsigned char reserved[40]; } __PACKED__ CRTCInfoBlock; #define HNEG (1 << 2) @@ -105,7 +103,6 @@ typedef struct CRTCInfoBlock { #define DOUBLESCAN (1 << 0) - /* Desc: Attempts to detect VESA, check video modes and create selectors. * * In : - @@ -113,123 +110,122 @@ typedef struct CRTCInfoBlock { * * Note: - */ -static vl_mode *vesa_init (void) +static vl_mode * +vesa_init (void) { - __dpmi_regs r; - word16 *p; - vl_mode *q; - char vesa_info[512], tmp[512]; - int maxsize = 0; - word32 linearfb = 0; - - if (vesa_ver) { - return modes; - } - - _farpokel(_stubinfo->ds_selector, 0, 0x32454256); - r.x.ax = 0x4f00; - r.x.di = 0; - r.x.es = _stubinfo->ds_segment; - __dpmi_int(0x10, &r); - movedata(_stubinfo->ds_selector, 0, _my_ds(), (unsigned)vesa_info, 512); - if ((r.x.ax!=0x004f) || ((_32_ vesa_info[V_SIGN])!=0x41534556)) { - return NULL; - } - - p = (word16 *)(((_16_ vesa_info[V_MODE_SEG])<<4) + (_16_ vesa_info[V_MODE_OFS])); - q = modes; - do { - if ((q->mode=_farpeekw(__djgpp_dos_sel, (unsigned long)(p++)))==0xffff) { - break; - } - - r.x.ax = 0x4f01; - r.x.cx = q->mode; - r.x.di = 512; - r.x.es = _stubinfo->ds_segment; - __dpmi_int(0x10, &r); - movedata(_stubinfo->ds_selector, 512, _my_ds(), (unsigned)tmp, 256); - switch (tmp[M_BPP]) { - case 16: - q->bpp = tmp[M_RED] + tmp[M_GREEN] + tmp[M_BLUE]; - break; - case 8: - case 15: - case 24: - case 32: - q->bpp = tmp[M_BPP]; - break; - default: - q->bpp = 0; - } - if ((r.x.ax==0x004f) && ((tmp[M_ATTR]&0x11)==0x11) && q->bpp) { - q->xres = _16_ tmp[M_XRES]; - q->yres = _16_ tmp[M_YRES]; - q->scanlen = _16_ tmp[M_SCANLEN]; - q->gran = (_16_ tmp[M_GRAN])<<10; - if (tmp[M_ATTR]&0x80) { -#if 0 - *(q+1) = *q++; -#else - vl_mode *q1 = q + 1; - *q1 = *q++; -#endif - linearfb = _32_ tmp[M_PHYS_PTR]; - q->mode |= 0x4000; - } - if (maxsize<(q->scanlen*q->yres)) { - maxsize = q->scanlen*q->yres; - } - q++; - } - } while (TRUE); - - if (q==modes) { - return NULL; - } - if (linearfb) { - maxsize = ((maxsize+0xfffUL)&~0xfffUL); - if (_create_selector(&linear_selector, linearfb, maxsize)) { - return NULL; - } - } - if (_create_selector(&banked_selector, 0xa0000, modes[0].gran)) { - _remove_selector(&linear_selector); - return NULL; - } - - for (q=modes; q->mode!=0xffff; q++) { - q->sel = (q->mode&0x4000) ? linear_selector : banked_selector; - } - - if (vesa_info[V_MAJOR] >= 2) { - r.x.ax = 0x4f0a; - r.x.bx = 0; - __dpmi_int(0x10, &r); - if (r.x.ax == 0x004f) { - vesa_pmcode = (word16 *)malloc(r.x.cx); - movedata(__djgpp_dos_sel, (r.x.es << 4) + r.x.di, _my_ds(), (unsigned)vesa_pmcode, r.x.cx); - if (vesa_pmcode[3]) { - p = (word16 *)((long)vesa_pmcode + vesa_pmcode[3]); - while (*p++ != 0xffff) ; - } else { - p = NULL; - } - if (p && (*p != 0xffff)) { - free(vesa_pmcode); - vesa_pmcode = NULL; - } else { - vesa_swbank = (void *)((long)vesa_pmcode + vesa_pmcode[0]); - } - } - } - - vesa_ver = _16_ vesa_info[V_MINOR]; - return modes; + __dpmi_regs r; + word16 *p; + vl_mode *q; + char vesa_info[512], tmp[512]; + int maxsize = 0; + word32 linearfb = 0; + + if (vesa_ver) { + return modes; + } + + _farpokel(_stubinfo->ds_selector, 0, 0x32454256); + r.x.ax = 0x4f00; + r.x.di = 0; + r.x.es = _stubinfo->ds_segment; + __dpmi_int(0x10, &r); + movedata(_stubinfo->ds_selector, 0, _my_ds(), (unsigned)vesa_info, 512); + if ((r.x.ax != 0x004f) || ((_32_ vesa_info[V_SIGN]) != 0x41534556)) { + return NULL; + } + + p = (word16 *)(((_16_ vesa_info[V_MODE_SEG])<<4) + (_16_ vesa_info[V_MODE_OFS])); + q = modes; + do { + if ((q->mode=_farpeekw(__djgpp_dos_sel, (unsigned long)(p++))) == 0xffff) { + break; + } + + r.x.ax = 0x4f01; + r.x.cx = q->mode; + r.x.di = 512; + r.x.es = _stubinfo->ds_segment; + __dpmi_int(0x10, &r); + movedata(_stubinfo->ds_selector, 512, _my_ds(), (unsigned)tmp, 256); + switch (tmp[M_BPP]) { + case 16: + q->bpp = tmp[M_RED] + tmp[M_GREEN] + tmp[M_BLUE]; + break; + case 8: + case 15: + case 24: + case 32: + q->bpp = tmp[M_BPP]; + break; + default: + q->bpp = 0; + } + if ((r.x.ax == 0x004f) && ((tmp[M_ATTR] & 0x11) == 0x11) && q->bpp) { + q->xres = _16_ tmp[M_XRES]; + q->yres = _16_ tmp[M_YRES]; + q->scanlen = _16_ tmp[M_SCANLEN]; + q->gran = (_16_ tmp[M_GRAN])<<10; + if (tmp[M_ATTR] & 0x80) { + vl_mode *q1 = q + 1; + *q1 = *q++; + linearfb = _32_ tmp[M_PHYS_PTR]; + q->mode |= 0x4000; + } + if (maxsize < (q->scanlen * q->yres)) { + maxsize = q->scanlen * q->yres; + } + q++; + } + } while (TRUE); + + if (q == modes) { + return NULL; + } + if (linearfb) { + maxsize = (maxsize + 0xfffUL) & ~0xfffUL; + if (_create_selector(&linear_selector, linearfb, maxsize)) { + return NULL; + } + } + if (_create_selector(&banked_selector, 0xa0000, modes[0].gran)) { + _remove_selector(&linear_selector); + return NULL; + } + + for (q = modes; q->mode != 0xffff; q++) { + q->sel = (q->mode & 0x4000) ? linear_selector : banked_selector; + } + + if (vesa_info[V_MAJOR] >= 2) { + r.x.ax = 0x4f0a; + r.x.bx = 0; + __dpmi_int(0x10, &r); + if (r.x.ax == 0x004f) { + vesa_pmcode = (word16 *)malloc(r.x.cx); + if (vesa_pmcode != NULL) { + movedata(__djgpp_dos_sel, (r.x.es << 4) + r.x.di, _my_ds(), (unsigned)vesa_pmcode, r.x.cx); + if (vesa_pmcode[3]) { + p = (word16 *)((long)vesa_pmcode + vesa_pmcode[3]); + while (*p++ != 0xffff) { + } + } else { + p = NULL; + } + if (p && (*p != 0xffff)) { + free(vesa_pmcode); + vesa_pmcode = NULL; + } else { + vesa_swbank = (void *)((long)vesa_pmcode + vesa_pmcode[0]); + } + } + } + } + + vesa_ver = _16_ vesa_info[V_MINOR]; + return modes; } - /* Desc: Frees all resources allocated by VESA init code. * * In : - @@ -237,20 +233,20 @@ static vl_mode *vesa_init (void) * * Note: - */ -static void vesa_fini (void) +static void +vesa_fini (void) { - if (vesa_ver) { - _remove_selector(&linear_selector); - _remove_selector(&banked_selector); - if (vesa_pmcode != NULL) { - free(vesa_pmcode); - vesa_pmcode = NULL; - } - } + if (vesa_ver) { + _remove_selector(&linear_selector); + _remove_selector(&banked_selector); + if (vesa_pmcode != NULL) { + free(vesa_pmcode); + vesa_pmcode = NULL; + } + } } - /* Desc: Uses VESA 3.0 function 0x4F0B to find the closest pixel clock to the requested value. * * In : mode, clock @@ -258,21 +254,21 @@ static void vesa_fini (void) * * Note: - */ -static unsigned long _closest_pixclk (int mode_no, unsigned long vclk) +static unsigned long +_closest_pixclk (int mode_no, unsigned long vclk) { - __dpmi_regs r; + __dpmi_regs r; - r.x.ax = 0x4F0B; - r.h.bl = 0; - r.d.ecx = vclk; - r.x.dx = mode_no; - __dpmi_int(0x10, &r); + r.x.ax = 0x4F0B; + r.h.bl = 0; + r.d.ecx = vclk; + r.x.dx = mode_no; + __dpmi_int(0x10, &r); - return (r.x.ax==0x004f) ? r.d.ecx : 0; + return (r.x.ax == 0x004f) ? r.d.ecx : 0; } - /* Desc: Calculates CRTC mode timings. * * In : crtc block, geometry, adjust @@ -280,82 +276,83 @@ static unsigned long _closest_pixclk (int mode_no, unsigned long vclk) * * Note: */ -static void _crtc_timing (CRTCInfoBlock *crtc, int xres, int yres, int xadjust, int yadjust) +static void +_crtc_timing (CRTCInfoBlock *crtc, int xres, int yres, int xadjust, int yadjust) { - int HTotal, VTotal; - int HDisp, VDisp; - int HSS, VSS; - int HSE, VSE; - int HSWidth, VSWidth; - int SS, SE; - int doublescan = FALSE; - - if (yres < 400) { - doublescan = TRUE; - yres *= 2; - } - - HDisp = xres; - HTotal = (int)(HDisp * 1.27) & ~0x7; - HSWidth = (int)((HTotal - HDisp) / 5) & ~0x7; - HSS = HDisp + 16; - HSE = HSS + HSWidth; - VDisp = yres; - VTotal = VDisp * 1.07; - VSWidth = (VTotal / 100) + 1; - VSS = VDisp + ((int)(VTotal - VDisp) / 5) + 1; - VSE = VSS + VSWidth; - - SS = HSS + xadjust; - SE = HSE + xadjust; - - if (xadjust < 0) { - if (SS < (HDisp + 8)) { - SS = HDisp + 8; - SE = SS + HSWidth; - } - } else { - if ((HTotal - 24) < SE) { - SE = HTotal - 24; - SS = SE - HSWidth; - } - } - - HSS = SS; - HSE = SE; - - SS = VSS + yadjust; - SE = VSE + yadjust; - - if (yadjust < 0) { - if (SS < (VDisp + 3)) { - SS = VDisp + 3; - SE = SS + VSWidth; - } - } else { - if ((VTotal - 4) < SE) { - SE = VTotal - 4; - SS = SE - VSWidth; - } - } - - VSS = SS; - VSE = SE; - - crtc->HorizontalTotal = HTotal; - crtc->HorizontalSyncStart = HSS; - crtc->HorizontalSyncEnd = HSE; - crtc->VerticalTotal = VTotal; - crtc->VerticalSyncStart = VSS; - crtc->VerticalSyncEnd = VSE; - crtc->Flags = HNEG | VNEG; - - if (doublescan) - crtc->Flags |= DOUBLESCAN; + int HTotal, VTotal; + int HDisp, VDisp; + int HSS, VSS; + int HSE, VSE; + int HSWidth, VSWidth; + int SS, SE; + int doublescan = FALSE; + + if (yres < 400) { + doublescan = TRUE; + yres *= 2; + } + + HDisp = xres; + HTotal = (int)(HDisp * 1.27) & ~0x7; + HSWidth = (int)((HTotal - HDisp) / 5) & ~0x7; + HSS = HDisp + 16; + HSE = HSS + HSWidth; + VDisp = yres; + VTotal = VDisp * 1.07; + VSWidth = (VTotal / 100) + 1; + VSS = VDisp + ((int)(VTotal - VDisp) / 5) + 1; + VSE = VSS + VSWidth; + + SS = HSS + xadjust; + SE = HSE + xadjust; + + if (xadjust < 0) { + if (SS < (HDisp + 8)) { + SS = HDisp + 8; + SE = SS + HSWidth; + } + } else { + if ((HTotal - 24) < SE) { + SE = HTotal - 24; + SS = SE - HSWidth; + } + } + + HSS = SS; + HSE = SE; + + SS = VSS + yadjust; + SE = VSE + yadjust; + + if (yadjust < 0) { + if (SS < (VDisp + 3)) { + SS = VDisp + 3; + SE = SS + VSWidth; + } + } else { + if ((VTotal - 4) < SE) { + SE = VTotal - 4; + SS = SE - VSWidth; + } + } + + VSS = SS; + VSE = SE; + + crtc->HorizontalTotal = HTotal; + crtc->HorizontalSyncStart = HSS; + crtc->HorizontalSyncEnd = HSE; + crtc->VerticalTotal = VTotal; + crtc->VerticalSyncStart = VSS; + crtc->VerticalSyncEnd = VSE; + crtc->Flags = HNEG | VNEG; + + if (doublescan) { + crtc->Flags |= DOUBLESCAN; + } } - /* Desc: Attempts to enter specified video mode. * * In : ptr to mode structure, refresh rate @@ -363,78 +360,78 @@ static void _crtc_timing (CRTCInfoBlock *crtc, int xres, int yres, int xadjust, * * Note: - */ -static int vesa_entermode (vl_mode *p, int refresh) +static int +vesa_entermode (vl_mode *p, int refresh) { - __dpmi_regs r; - - if (p->mode & 0x4000) { - VESA.blit = _can_mmx() ? vesa_l_dump_virtual_mmx : vesa_l_dump_virtual; - } else { - VESA.blit = vesa_b_dump_virtual; - { int n; for (vesa_gran_shift=0, n=p->gran; n; vesa_gran_shift++, n>>=1) ; } - vesa_gran_mask = (1<<(--vesa_gran_shift)) - 1; - if ((unsigned)p->gran != (vesa_gran_mask+1)) { - return !0; - } - } - - if (oldmode == -1) { - r.x.ax = 0x4f03; - __dpmi_int(0x10, &r); - oldmode = r.x.bx; - } - - r.x.ax = 0x4f02; - r.x.bx = p->mode; - - if (refresh && ((vesa_ver>>8) >= 3)) { - /* VESA 3.0 stuff for controlling the refresh rate */ - CRTCInfoBlock crtc; - unsigned long vclk; - double f0; - - _crtc_timing(&crtc, p->xres, p->yres, 0, 0); - - vclk = (double)crtc.HorizontalTotal * crtc.VerticalTotal * refresh; - vclk = _closest_pixclk(p->mode, vclk); - - if (vclk != 0) { - f0 = (double)vclk / (crtc.HorizontalTotal * crtc.VerticalTotal); - /*_current_refresh_rate = (int)(f0 + 0.5);*/ - - crtc.PixelClock = vclk; - crtc.RefreshRate = refresh * 100; - - movedata(_my_ds(), (unsigned)&crtc, _stubinfo->ds_selector, 0, sizeof(crtc)); - - r.x.di = 0; - r.x.es = _stubinfo->ds_segment; - r.x.bx |= 0x0800; - } - } - - __dpmi_int(0x10, &r); - if (r.x.ax != 0x004f) { - return !0; - } - - if (p->bpp == 8) { - r.x.ax = 0x4f08; - r.x.bx = 0x0800; - __dpmi_int(0x10, &r); - if (r.x.ax == 0x004f) { - r.x.ax = 0x4f08; - r.h.bl = 0x01; - __dpmi_int(0x10, &r); - vesa_color_precision = r.h.bh; - } - } - - return 0; + __dpmi_regs r; + + if (p->mode & 0x4000) { + VESA.blit = _can_mmx() ? vesa_l_dump_virtual_mmx : vesa_l_dump_virtual; + } else { + VESA.blit = vesa_b_dump_virtual; + { int n; for (vesa_gran_shift=0, n=p->gran; n; vesa_gran_shift++, n>>=1) ; } + vesa_gran_mask = (1 << (--vesa_gran_shift)) - 1; + if ((unsigned)p->gran != (vesa_gran_mask+1)) { + return !0; + } + } + + if (oldmode == -1) { + r.x.ax = 0x4f03; + __dpmi_int(0x10, &r); + oldmode = r.x.bx; + } + + r.x.ax = 0x4f02; + r.x.bx = p->mode; + + if (refresh && ((vesa_ver>>8) >= 3)) { + /* VESA 3.0 stuff for controlling the refresh rate */ + CRTCInfoBlock crtc; + unsigned long vclk; + double f0; + + _crtc_timing(&crtc, p->xres, p->yres, 0, 0); + + vclk = (double)crtc.HorizontalTotal * crtc.VerticalTotal * refresh; + vclk = _closest_pixclk(p->mode, vclk); + + if (vclk != 0) { + f0 = (double)vclk / (crtc.HorizontalTotal * crtc.VerticalTotal); + /*_current_refresh_rate = (int)(f0 + 0.5);*/ + + crtc.PixelClock = vclk; + crtc.RefreshRate = refresh * 100; + + movedata(_my_ds(), (unsigned)&crtc, _stubinfo->ds_selector, 0, sizeof(crtc)); + + r.x.di = 0; + r.x.es = _stubinfo->ds_segment; + r.x.bx |= 0x0800; + } + } + + __dpmi_int(0x10, &r); + if (r.x.ax != 0x004f) { + return !0; + } + + if (p->bpp == 8) { + r.x.ax = 0x4f08; + r.x.bx = 0x0800; + __dpmi_int(0x10, &r); + if (r.x.ax == 0x004f) { + r.x.ax = 0x4f08; + r.h.bl = 0x01; + __dpmi_int(0x10, &r); + vesa_color_precision = r.h.bh; + } + } + + return 0; } - /* Desc: Restores to the mode prior to first call to vesa_entermode. * * In : - @@ -442,20 +439,20 @@ static int vesa_entermode (vl_mode *p, int refresh) * * Note: - */ -static void vesa_restore (void) +static void +vesa_restore (void) { - __dpmi_regs r; - - if (oldmode != -1) { - r.x.ax = 0x4f02; - r.x.bx = oldmode; - __dpmi_int(0x10, &r); - oldmode = -1; - } + __dpmi_regs r; + + if (oldmode != -1) { + r.x.ax = 0x4f02; + r.x.bx = oldmode; + __dpmi_int(0x10, &r); + oldmode = -1; + } } - /* Desc: set one palette entry * * In : color index, R, G, B @@ -463,25 +460,25 @@ static void vesa_restore (void) * * Note: uses integer values */ -static void vesa_setCI_i (int index, int red, int green, int blue) +static void +vesa_setCI_i (int index, int red, int green, int blue) { #if 0 - __asm("\n\ - movw $0x1010, %%ax \n\ - movb %1, %%dh \n\ - movb %2, %%ch \n\ - int $0x10 \n\ - "::"b"(index), "m"(red), "m"(green), "c"(blue):"%eax", "%edx"); + __asm("\n\ + movw $0x1010, %%ax \n\ + movb %1, %%dh \n\ + movb %2, %%ch \n\ + int $0x10 \n\ + "::"b"(index), "m"(red), "m"(green), "c"(blue):"%eax", "%edx"); #else - outportb(0x03C8, index); - outportb(0x03C9, red); - outportb(0x03C9, green); - outportb(0x03C9, blue); + outportb(0x03C8, index); + outportb(0x03C9, red); + outportb(0x03C9, green); + outportb(0x03C9, blue); #endif } - /* Desc: set one palette entry * * In : color index, R, G, B @@ -489,7 +486,8 @@ static void vesa_setCI_i (int index, int red, int green, int blue) * * Note: uses normalized values */ -static void vesa_setCI_f (int index, float red, float green, float blue) +static void +vesa_setCI_f (int index, float red, float green, float blue) { float max = (1 << vesa_color_precision) - 1; @@ -497,7 +495,6 @@ static void vesa_setCI_f (int index, float red, float green, float blue) } - /* Desc: state retrieval * * In : parameter name, ptr to storage @@ -505,30 +502,30 @@ static void vesa_setCI_f (int index, float red, float green, float blue) * * Note: - */ -static int vesa_get (int pname, int *params) +static int +vesa_get (int pname, int *params) { - switch (pname) { - case VL_GET_CI_PREC: - params[0] = vesa_color_precision; - break; - default: - return -1; - } - return 0; + switch (pname) { + case VL_GET_CI_PREC: + params[0] = vesa_color_precision; + break; + default: + return -1; + } + return 0; } - /* * the driver */ vl_driver VESA = { - vesa_init, - vesa_entermode, - NULL, - vesa_setCI_f, - vesa_setCI_i, - vesa_get, - vesa_restore, - vesa_fini + vesa_init, + vesa_entermode, + NULL, + vesa_setCI_f, + vesa_setCI_i, + vesa_get, + vesa_restore, + vesa_fini }; diff --git a/src/mesa/drivers/dos/vga.c b/src/mesa/drivers/dos/vga.c index c8c0151ce3..27758f14d2 100644 --- a/src/mesa/drivers/dos/vga.c +++ b/src/mesa/drivers/dos/vga.c @@ -23,7 +23,7 @@ */ /* - * DOS/DJGPP device driver v1.6 for Mesa + * DOS/DJGPP device driver v1.7 for Mesa * * Copyright (C) 2002 - Borca Daniel * Email : dborca@users.sourceforge.net @@ -38,26 +38,25 @@ #include "vga.h" - static vl_mode modes[] = { - { - /* .xres = */ 320, - /* .yres = */ 200, - /* .bpp = */ 8, - /* .mode = */ 0x13 | 0x4000, - /* .scanlen = */ 320, - /* .sel = */ -1, - /* .gran = */ 320*200 - }, - { - /* .xres = */ -1, - /* .yres = */ -1, - /* .bpp = */ -1, - /* .mode = */ 0xffff, - /* .scanlen = */ -1, - /* .sel = */ -1, - /* .gran = */ -1 - } + { + /* .xres = */ 320, + /* .yres = */ 200, + /* .bpp = */ 8, + /* .mode = */ 0x13 | 0x4000, + /* .scanlen = */ 320, + /* .sel = */ -1, + /* .gran = */ 320*200 + }, + { + /* .xres = */ -1, + /* .yres = */ -1, + /* .bpp = */ -1, + /* .mode = */ 0xffff, + /* .scanlen = */ -1, + /* .sel = */ -1, + /* .gran = */ -1 + } }; static word16 vga_ver; @@ -67,7 +66,6 @@ static int oldmode = -1; #define vga_color_precision 6 - /* Desc: Attempts to detect VGA, check video modes and create selectors. * * In : - @@ -75,15 +73,16 @@ static int oldmode = -1; * * Note: - */ -static vl_mode *vga_init (void) +static vl_mode * +vga_init (void) { - int rv = 0; + int rv = 0; - if (vga_ver) { - return modes; - } + if (vga_ver) { + return modes; + } - __asm("\n\ + __asm("\n\ movw $0x1a00, %%ax \n\ int $0x10 \n\ cmpb $0x1a, %%al \n\ @@ -92,23 +91,22 @@ static vl_mode *vga_init (void) jb 0f \n\ andl $0xff, %%ebx \n\ movl %%ebx, %0 \n\ - 0:":"=g"(rv)::"%eax", "%ebx"); - if (rv == 0) { - return NULL; - } + 0:":"=g"(rv)::"%eax", "%ebx"); + if (rv == 0) { + return NULL; + } - if (_create_selector(&linear_selector, 0xa0000, 0x10000)) { - return NULL; - } + if (_create_selector(&linear_selector, 0xa0000, 0x10000)) { + return NULL; + } - modes[0].sel = linear_selector; + modes[0].sel = linear_selector; - vga_ver = rv; - return modes; + vga_ver = rv; + return modes; } - /* Desc: Frees all resources allocated by VGA init code. * * In : - @@ -116,15 +114,15 @@ static vl_mode *vga_init (void) * * Note: - */ -static void vga_fini (void) +static void +vga_fini (void) { - if (vga_ver) { - _remove_selector(&linear_selector); - } + if (vga_ver) { + _remove_selector(&linear_selector); + } } - /* Desc: Attempts to enter specified video mode. * * In : ptr to mode structure, refresh rate @@ -132,31 +130,31 @@ static void vga_fini (void) * * Note: - */ -static int vga_entermode (vl_mode *p, int refresh) +static int +vga_entermode (vl_mode *p, int refresh) { - if (!(p->mode & 0x4000)) { - return -1; - } - VGA.blit = _can_mmx() ? vesa_l_dump_virtual_mmx : vesa_l_dump_virtual; + if (!(p->mode & 0x4000)) { + return -1; + } + VGA.blit = _can_mmx() ? vesa_l_dump_virtual_mmx : vesa_l_dump_virtual; - if (oldmode == -1) { - __asm("\n\ + if (oldmode == -1) { + __asm("\n\ movb $0x0f, %%ah \n\ int $0x10 \n\ andl $0xff, %%eax \n\ movl %%eax, %0 \n\ - ":"=g"(oldmode)::"%eax", "%ebx"); - } + ":"=g"(oldmode)::"%eax", "%ebx"); + } - __asm("int $0x10"::"a"(p->mode&0xff)); + __asm("int $0x10"::"a"(p->mode&0xff)); - return 0; + return 0; - (void)refresh; /* silence compiler warning */ + (void)refresh; /* silence compiler warning */ } - /* Desc: Restores to the mode prior to first call to vga_entermode. * * In : - @@ -164,16 +162,16 @@ static int vga_entermode (vl_mode *p, int refresh) * * Note: - */ -static void vga_restore (void) +static void +vga_restore (void) { - if (oldmode != -1) { - __asm("int $0x10"::"a"(oldmode)); - oldmode = -1; - } + if (oldmode != -1) { + __asm("int $0x10"::"a"(oldmode)); + oldmode = -1; + } } - /* Desc: set one palette entry * * In : color index, R, G, B @@ -181,25 +179,25 @@ static void vga_restore (void) * * Note: uses integer values */ -static void vga_setCI_i (int index, int red, int green, int blue) +static void +vga_setCI_i (int index, int red, int green, int blue) { #if 0 - __asm("\n\ - movw $0x1010, %%ax \n\ - movb %1, %%dh \n\ - movb %2, %%ch \n\ - int $0x10 \n\ - "::"b"(index), "m"(red), "m"(green), "c"(blue):"%eax", "%edx"); + __asm("\n\ + movw $0x1010, %%ax \n\ + movb %1, %%dh \n\ + movb %2, %%ch \n\ + int $0x10 \n\ + "::"b"(index), "m"(red), "m"(green), "c"(blue):"%eax", "%edx"); #else - outportb(0x03C8, index); - outportb(0x03C9, red); - outportb(0x03C9, green); - outportb(0x03C9, blue); + outportb(0x03C8, index); + outportb(0x03C9, red); + outportb(0x03C9, green); + outportb(0x03C9, blue); #endif } - /* Desc: set one palette entry * * In : color index, R, G, B @@ -207,15 +205,15 @@ static void vga_setCI_i (int index, int red, int green, int blue) * * Note: uses normalized values */ -static void vga_setCI_f (int index, float red, float green, float blue) +static void +vga_setCI_f (int index, float red, float green, float blue) { - float max = (1 << vga_color_precision) - 1; + float max = (1 << vga_color_precision) - 1; - vga_setCI_i(index, (int)(red * max), (int)(green * max), (int)(blue * max)); + vga_setCI_i(index, (int)(red * max), (int)(green * max), (int)(blue * max)); } - /* Desc: state retrieval * * In : parameter name, ptr to storage @@ -223,30 +221,30 @@ static void vga_setCI_f (int index, float red, float green, float blue) * * Note: - */ -static int vga_get (int pname, int *params) +static int +vga_get (int pname, int *params) { - switch (pname) { - case VL_GET_CI_PREC: - params[0] = vga_color_precision; - break; - default: - return -1; - } - return 0; + switch (pname) { + case VL_GET_CI_PREC: + params[0] = vga_color_precision; + break; + default: + return -1; + } + return 0; } - /* * the driver */ vl_driver VGA = { - vga_init, - vga_entermode, - NULL, - vga_setCI_f, - vga_setCI_i, - vga_get, - vga_restore, - vga_fini + vga_init, + vga_entermode, + NULL, + vga_setCI_f, + vga_setCI_i, + vga_get, + vga_restore, + vga_fini }; diff --git a/src/mesa/drivers/dos/video.c b/src/mesa/drivers/dos/video.c index d3774e7c3e..60370afc8e 100644 --- a/src/mesa/drivers/dos/video.c +++ b/src/mesa/drivers/dos/video.c @@ -23,7 +23,7 @@ */ /* - * DOS/DJGPP device driver v1.5 for Mesa + * DOS/DJGPP device driver v1.6 for Mesa * * Copyright (C) 2002 - Borca Daniel * Email : dborca@users.sourceforge.net @@ -42,7 +42,6 @@ #include "video.h" - static vl_driver *drv; /* based upon mode specific data: valid entire session */ int vl_video_selector; @@ -54,7 +53,6 @@ int vl_current_stride, vl_current_width, vl_current_height, vl_current_bytes; int vl_current_offset, vl_current_delta; - #if HUGE_LOOKUP /* These lookup tables are used to extract RGB values in [0,255] * from 15/16-bit pixel values. @@ -102,7 +100,6 @@ static word8 array_g[256]; static word8 array_b[256]; - int (*vl_mixfix) (fixed r, fixed g, fixed b); int (*vl_mixrgb) (const unsigned char rgb[]); int (*vl_mixrgba) (const unsigned char rgba[]); @@ -114,7 +111,6 @@ void (*vl_flip) (void); void (*vl_putpixel) (unsigned int offset, int color); - /* Desc: color composition (w/o ALPHA) * * In : R, G, B @@ -122,35 +118,38 @@ void (*vl_putpixel) (unsigned int offset, int color); * * Note: - */ -static int vl_mixfix8fake (fixed r, fixed g, fixed b) +static int +vl_mixfix8fake (fixed r, fixed g, fixed b) { - return array_b[b>>FIXED_SHIFT]*G_CNT*R_CNT - + array_g[g>>FIXED_SHIFT]*R_CNT - + array_r[r>>FIXED_SHIFT]; + return array_b[b>>FIXED_SHIFT]*G_CNT*R_CNT + + array_g[g>>FIXED_SHIFT]*R_CNT + + array_r[r>>FIXED_SHIFT]; } #define vl_mixfix8 vl_mixfix8fake -static int vl_mixfix15 (fixed r, fixed g, fixed b) +static int +vl_mixfix15 (fixed r, fixed g, fixed b) { - return ((r>>(3+FIXED_SHIFT))<<10) - |((g>>(3+FIXED_SHIFT))<<5) - |(b>>(3+FIXED_SHIFT)); + return ((r>>(3+FIXED_SHIFT))<<10) + |((g>>(3+FIXED_SHIFT))<<5) + | (b>>(3+FIXED_SHIFT)); } -static int vl_mixfix16 (fixed r, fixed g, fixed b) +static int +vl_mixfix16 (fixed r, fixed g, fixed b) { - return ((r>>(3+FIXED_SHIFT))<<11) - |((g>>(2+FIXED_SHIFT))<<5) - |(b>>(3+FIXED_SHIFT)); + return ((r>>(3+FIXED_SHIFT))<<11) + |((g>>(2+FIXED_SHIFT))<<5) + | (b>>(3+FIXED_SHIFT)); } #define vl_mixfix24 vl_mixfix32 -static int vl_mixfix32 (fixed r, fixed g, fixed b) +static int +vl_mixfix32 (fixed r, fixed g, fixed b) { - return ((r>>FIXED_SHIFT)<<16) - |((g>>FIXED_SHIFT)<<8) - |(b>>FIXED_SHIFT); + return ((r>>FIXED_SHIFT)<<16) + |((g>>FIXED_SHIFT)<<8) + | (b>>FIXED_SHIFT); } - /* Desc: color composition (w/ ALPHA) * * In : array of integers (R, G, B, A) @@ -162,17 +161,17 @@ static int vl_mixfix32 (fixed r, fixed g, fixed b) #define vl_mixrgba15 vl_mixrgb15 #define vl_mixrgba16 vl_mixrgb16 #define vl_mixrgba24 vl_mixrgb24 -static int vl_mixrgba32 (const unsigned char rgba[]) +static int +vl_mixrgba32 (const unsigned char rgba[]) { - /* Hack alert: - * currently, DMesa uses Mesa's alpha buffer; - * so we don't really care about alpha value here... - */ - return /*(rgba[3]<<24)|*/(rgba[0]<<16)|(rgba[1]<<8)|(rgba[2]); + /* Hack alert: + * currently, DMesa uses Mesa's alpha buffer; + * so we don't really care about alpha value here... + */ + return /*(rgba[3]<<24) | */(rgba[0]<<16) | (rgba[1]<<8) | (rgba[2]); } - /* Desc: color composition (w/o ALPHA) * * In : array of integers (R, G, B) @@ -180,29 +179,32 @@ static int vl_mixrgba32 (const unsigned char rgba[]) * * Note: - */ -static int vl_mixrgb8fake (const unsigned char rgb[]) +static int +vl_mixrgb8fake (const unsigned char rgb[]) { - return array_b[rgb[2]]*G_CNT*R_CNT - + array_g[rgb[1]]*R_CNT - + array_r[rgb[0]]; + return array_b[rgb[2]]*G_CNT*R_CNT + + array_g[rgb[1]]*R_CNT + + array_r[rgb[0]]; } #define vl_mixrgb8 vl_mixrgb8fake -static int vl_mixrgb15 (const unsigned char rgb[]) +static int +vl_mixrgb15 (const unsigned char rgb[]) { - return ((rgb[0]>>3)<<10)|((rgb[1]>>3)<<5)|(rgb[2]>>3); + return ((rgb[0]>>3)<<10) | ((rgb[1]>>3)<<5) | (rgb[2]>>3); } -static int vl_mixrgb16 (const unsigned char rgb[]) +static int +vl_mixrgb16 (const unsigned char rgb[]) { - return ((rgb[0]>>3)<<11)|((rgb[1]>>2)<<5)|(rgb[2]>>3); + return ((rgb[0]>>3)<<11) | ((rgb[1]>>2)<<5) | (rgb[2]>>3); } #define vl_mixrgb24 vl_mixrgb32 -static int vl_mixrgb32 (const unsigned char rgb[]) +static int +vl_mixrgb32 (const unsigned char rgb[]) { - return (rgb[0]<<16)|(rgb[1]<<8)|(rgb[2]); + return (rgb[0]<<16) | (rgb[1]<<8) | (rgb[2]); } - /* Desc: color decomposition * * In : pixel offset, array of integers to hold color components (R, G, B, A) @@ -210,71 +212,76 @@ static int vl_mixrgb32 (const unsigned char rgb[]) * * Note: uses current read buffer */ -static void v_getrgba8fake6 (unsigned int offset, unsigned char rgba[4]) +static void +v_getrgba8fake6 (unsigned int offset, unsigned char rgba[4]) { - word32 c = VGAPalette[((word8 *)vl_current_read_buffer)[offset]]; - rgba[0] = _rgb_scale_6[(c >> 16) & 0x3F]; - rgba[1] = _rgb_scale_6[(c >> 8) & 0x3F]; - rgba[2] = _rgb_scale_6[c & 0x3F]; - /*rgba[3] = c >> 24;*/ /* dummy alpha; we have separate SW alpha, so ignore */ + word32 c = VGAPalette[((word8 *)vl_current_read_buffer)[offset]]; + rgba[0] = _rgb_scale_6[(c >> 16) & 0x3F]; + rgba[1] = _rgb_scale_6[(c >> 8) & 0x3F]; + rgba[2] = _rgb_scale_6[ c & 0x3F]; + /*rgba[3] = c >> 24;*/ /* dummy alpha; we have separate SW alpha, so ignore */ } -static void v_getrgba8fake8 (unsigned int offset, unsigned char rgba[4]) +static void +v_getrgba8fake8 (unsigned int offset, unsigned char rgba[4]) { - word32 c = VGAPalette[((word8 *)vl_current_read_buffer)[offset]]; - rgba[0] = c >> 16; - rgba[1] = c >> 8; - rgba[2] = c; - /*rgba[3] = c >> 24;*/ /* dummy alpha; we have separate SW alpha, so ignore */ + word32 c = VGAPalette[((word8 *)vl_current_read_buffer)[offset]]; + rgba[0] = c >> 16; + rgba[1] = c >> 8; + rgba[2] = c; + /*rgba[3] = c >> 24;*/ /* dummy alpha; we have separate SW alpha, so ignore */ } #define v_getrgba8 v_getrgba8fake6 -static void v_getrgba15 (unsigned int offset, unsigned char rgba[4]) +static void +v_getrgba15 (unsigned int offset, unsigned char rgba[4]) { - word32 c = ((word16 *)vl_current_read_buffer)[offset]; + word32 c = ((word16 *)vl_current_read_buffer)[offset]; #if HUGE_LOOKUP - c &= 0x7fff; - rgba[0] = pix15r[c]; - rgba[1] = pix15g[c]; - rgba[2] = pix15b[c]; + c &= 0x7fff; + rgba[0] = pix15r[c]; + rgba[1] = pix15g[c]; + rgba[2] = pix15b[c]; #else - rgba[0] = _rgb_scale_5[(c >> 10) & 0x1F]; - rgba[1] = _rgb_scale_5[(c >> 5) & 0x1F]; - rgba[2] = _rgb_scale_5[c & 0x1F]; + rgba[0] = _rgb_scale_5[(c >> 10) & 0x1F]; + rgba[1] = _rgb_scale_5[(c >> 5) & 0x1F]; + rgba[2] = _rgb_scale_5[ c & 0x1F]; #endif - /*rgba[3] = 255;*/ /* dummy alpha; we have separate SW alpha, so ignore */ + /*rgba[3] = 255;*/ /* dummy alpha; we have separate SW alpha, so ignore */ } -static void v_getrgba16 (unsigned int offset, unsigned char rgba[4]) +static void +v_getrgba16 (unsigned int offset, unsigned char rgba[4]) { - word32 c = ((word16 *)vl_current_read_buffer)[offset]; + word32 c = ((word16 *)vl_current_read_buffer)[offset]; #if HUGE_LOOKUP - rgba[0] = pix16r[c]; - rgba[1] = pix16g[c]; - rgba[2] = pix16b[c]; + rgba[0] = pix16r[c]; + rgba[1] = pix16g[c]; + rgba[2] = pix16b[c]; #else - rgba[0] = _rgb_scale_5[(c >> 11) & 0x1F]; - rgba[1] = _rgb_scale_6[(c >> 5) & 0x3F]; - rgba[2] = _rgb_scale_5[c & 0x1F]; + rgba[0] = _rgb_scale_5[(c >> 11) & 0x1F]; + rgba[1] = _rgb_scale_6[(c >> 5) & 0x3F]; + rgba[2] = _rgb_scale_5[ c & 0x1F]; #endif - /*rgba[3] = 255;*/ /* dummy alpha; we have separate SW alpha, so ignore */ + /*rgba[3] = 255;*/ /* dummy alpha; we have separate SW alpha, so ignore */ } -static void v_getrgba24 (unsigned int offset, unsigned char rgba[4]) +static void +v_getrgba24 (unsigned int offset, unsigned char rgba[4]) { - word32 c = *(word32 *)((long)vl_current_read_buffer+offset*3); - rgba[0] = c >> 16; - rgba[1] = c >> 8; - rgba[2] = c; - /*rgba[3] = 255;*/ /* dummy alpha; we have separate SW alpha, so ignore */ + word32 c = *(word32 *)((long)vl_current_read_buffer+offset*3); + rgba[0] = c >> 16; + rgba[1] = c >> 8; + rgba[2] = c; + /*rgba[3] = 255;*/ /* dummy alpha; we have separate SW alpha, so ignore */ } -static void v_getrgba32 (unsigned int offset, unsigned char rgba[4]) +static void +v_getrgba32 (unsigned int offset, unsigned char rgba[4]) { - word32 c = ((word32 *)vl_current_read_buffer)[offset]; - rgba[0] = c >> 16; - rgba[1] = c >> 8; - rgba[2] = c; - /*rgba[3] = c >> 24;*/ /* dummy alpha; we have separate SW alpha, so ignore */ + word32 c = ((word32 *)vl_current_read_buffer)[offset]; + rgba[0] = c >> 16; + rgba[1] = c >> 8; + rgba[2] = c; + /*rgba[3] = c >> 24;*/ /* dummy alpha; we have separate SW alpha, so ignore */ } - /* Desc: pixel retrieval * * In : pixel offset @@ -282,26 +289,29 @@ static void v_getrgba32 (unsigned int offset, unsigned char rgba[4]) * * Note: uses current read buffer */ -static int v_getpixel8 (unsigned int offset) +static int +v_getpixel8 (unsigned int offset) { - return ((word8 *)vl_current_read_buffer)[offset]; + return ((word8 *)vl_current_read_buffer)[offset]; } #define v_getpixel15 v_getpixel16 -static int v_getpixel16 (unsigned int offset) +static int +v_getpixel16 (unsigned int offset) { - return ((word16 *)vl_current_read_buffer)[offset]; + return ((word16 *)vl_current_read_buffer)[offset]; } -static int v_getpixel24 (unsigned int offset) +static int +v_getpixel24 (unsigned int offset) { - return *(word32 *)((long)vl_current_read_buffer+offset*3); + return *(word32 *)((long)vl_current_read_buffer+offset*3); } -static int v_getpixel32 (unsigned int offset) +static int +v_getpixel32 (unsigned int offset) { - return ((word32 *)vl_current_read_buffer)[offset]; + return ((word32 *)vl_current_read_buffer)[offset]; } - /* Desc: set one palette entry * * In : index, R, G, B @@ -309,13 +319,13 @@ static int v_getpixel32 (unsigned int offset) * * Note: color components are in range [0.0 .. 1.0] */ -void vl_setCI (int index, float red, float green, float blue) +void +vl_setCI (int index, float red, float green, float blue) { - drv->setCI_f(index, red, green, blue); + drv->setCI_f(index, red, green, blue); } - /* Desc: set one palette entry * * In : color, R, G, B @@ -323,15 +333,15 @@ void vl_setCI (int index, float red, float green, float blue) * * Note: - */ -static void fake_setcolor (int c, int r, int g, int b) +static void +fake_setcolor (int c, int r, int g, int b) { - VGAPalette[c] = 0xff000000 | (r<<16) | (g<<8) | b; + VGAPalette[c] = 0xff000000 | (r<<16) | (g<<8) | b; - drv->setCI_i(c, r, g, b); + drv->setCI_i(c, r, g, b); } - /* Desc: build FakeColor palette * * In : CI precision in bits @@ -339,36 +349,36 @@ static void fake_setcolor (int c, int r, int g, int b) * * Note: - */ -static void fake_buildpalette (int bits) +static void +fake_buildpalette (int bits) { - double c_r, c_g, c_b; - int r, g, b, color = 0; - - double max = (1 << bits) - 1; - - for (b=0; b<B_CNT; ++b) { - for (g=0; g<G_CNT; ++g) { - for (r=0; r<R_CNT; ++r) { - c_r = 0.5 + (double)r*(max-R_BIAS)/(R_CNT-1.) + R_BIAS; - c_g = 0.5 + (double)g*(max-G_BIAS)/(G_CNT-1.) + G_BIAS; - c_b = 0.5 + (double)b*(max-B_BIAS)/(B_CNT-1.) + B_BIAS; - fake_setcolor(color++, (int)c_r, (int)c_g, (int)c_b); + double c_r, c_g, c_b; + int r, g, b, color = 0; + + double max = (1 << bits) - 1; + + for (b = 0; b < B_CNT; ++b) { + for (g = 0; g < G_CNT; ++g) { + for (r = 0; r < R_CNT; ++r) { + c_r = 0.5 + (double)r * (max-R_BIAS) / (R_CNT-1.) + R_BIAS; + c_g = 0.5 + (double)g * (max-G_BIAS) / (G_CNT-1.) + G_BIAS; + c_b = 0.5 + (double)b * (max-B_BIAS) / (B_CNT-1.) + B_BIAS; + fake_setcolor(color++, (int)c_r, (int)c_g, (int)c_b); } - } - } - - for (color=0; color<256; color++) { - c_r = (double)color*R_CNT/256.; - c_g = (double)color*G_CNT/256.; - c_b = (double)color*B_CNT/256.; - array_r[color] = (int)c_r; - array_g[color] = (int)c_g; - array_b[color] = (int)c_b; - } + } + } + + for (color = 0; color < 256; color++) { + c_r = (double)color * R_CNT / 256.; + c_g = (double)color * G_CNT / 256.; + c_b = (double)color * B_CNT / 256.; + array_r[color] = (int)c_r; + array_g[color] = (int)c_g; + array_b[color] = (int)c_b; + } } - #if HUGE_LOOKUP /* Desc: initialize lookup arrays * @@ -377,46 +387,46 @@ static void fake_buildpalette (int bits) * * Note: - */ -void v_init_pixeltables (void) +void +v_init_pixeltables (void) { - unsigned int pixel; - - for (pixel = 0; pixel <= 0xffff; pixel++) { - unsigned int r, g, b; - - if (pixel <= 0x7fff) { - /* 15bit */ - r = (pixel & 0x7c00) >> 8; - g = (pixel & 0x03E0) >> 3; - b = (pixel & 0x001F) << 2; - - r = (unsigned int)(((double)r * 255. / 0x7c) + 0.5); - g = (unsigned int)(((double)g * 255. / 0x7c) + 0.5); - b = (unsigned int)(((double)b * 255. / 0x7c) + 0.5); - - pix15r[pixel] = r; - pix15g[pixel] = g; - pix15b[pixel] = b; - } - - /* 16bit */ - r = (pixel & 0xF800) >> 8; - g = (pixel & 0x07E0) >> 3; - b = (pixel & 0x001F) << 3; - - r = (unsigned int)(((double)r * 255. / 0xF8) + 0.5); - g = (unsigned int)(((double)g * 255. / 0xFC) + 0.5); - b = (unsigned int)(((double)b * 255. / 0xF8) + 0.5); - - pix16r[pixel] = r; - pix16g[pixel] = g; - pix16b[pixel] = b; - } + unsigned int pixel; + + for (pixel = 0; pixel <= 0xffff; pixel++) { + unsigned int r, g, b; + + if (pixel <= 0x7fff) { + /* 15bit */ + r = (pixel & 0x7c00) >> 8; + g = (pixel & 0x03E0) >> 3; + b = (pixel & 0x001F) << 2; + + r = (unsigned int)(((double)r * 255. / 0x7c) + 0.5); + g = (unsigned int)(((double)g * 255. / 0x7c) + 0.5); + b = (unsigned int)(((double)b * 255. / 0x7c) + 0.5); + + pix15r[pixel] = r; + pix15g[pixel] = g; + pix15b[pixel] = b; + } + + /* 16bit */ + r = (pixel & 0xF800) >> 8; + g = (pixel & 0x07E0) >> 3; + b = (pixel & 0x001F) << 3; + + r = (unsigned int)(((double)r * 255. / 0xF8) + 0.5); + g = (unsigned int)(((double)g * 255. / 0xFC) + 0.5); + b = (unsigned int)(((double)b * 255. / 0xF8) + 0.5); + + pix16r[pixel] = r; + pix16g[pixel] = g; + pix16b[pixel] = b; + } } #endif - /* Desc: initialize hardware * * In : - @@ -424,31 +434,31 @@ void v_init_pixeltables (void) * * Note: when returning non-NULL, global variable `drv' is guaranteed to be ok */ -static vl_mode *v_init_hw (void) +static vl_mode * +v_init_hw (void) { - static vl_mode *q = NULL; - - if (q == NULL) { - /* are we forced to NUL driver? */ - if (getenv("DMESA_NULDRV")) { - if ((q = NUL.init()) != NULL) { - drv = &NUL; - } - return q; - } - /* initialize hardware */ - if ((q = VESA.init()) != NULL) { - drv = &VESA; - } else if ((q = VGA.init()) != NULL) { - drv = &VGA; - } else { - drv = NULL; - } - } - - return q; -} + static vl_mode *q = NULL; + if (q == NULL) { + /* are we forced to NUL driver? */ + if (getenv("DMESA_NULDRV")) { + if ((q = NUL.init()) != NULL) { + drv = &NUL; + } + return q; + } + /* initialize hardware */ + if ((q = VESA.init()) != NULL) { + drv = &VESA; + } else if ((q = VGA.init()) != NULL) { + drv = &VGA; + } else { + drv = NULL; + } + } + + return q; +} /* Desc: sync buffer with video hardware @@ -458,36 +468,36 @@ static vl_mode *v_init_hw (void) * * Note: - */ -int vl_sync_buffer (void **buffer, int x, int y, int width, int height) +int +vl_sync_buffer (void **buffer, int x, int y, int width, int height) { - if ((width & 7) || (x < 0) || (y < 0) || (x+width > video_mode->xres) || (y+height > video_mode->yres)) { - return -1; - } else { - void *newbuf = *buffer; - - if ((newbuf == NULL) || (vl_current_width != width) || (vl_current_height != height)) { - newbuf = realloc(newbuf, width * height * video_bypp); - } - - if (newbuf == NULL) { - return -2; - } - - vl_current_width = width; - vl_current_height = height; - vl_current_stride = vl_current_width * video_bypp; - vl_current_bytes = vl_current_stride * height; - - vl_current_offset = video_scanlen * y + video_bypp * x; - vl_current_delta = video_scanlen - vl_current_stride; - - vl_current_draw_buffer = vl_current_read_buffer = *buffer = newbuf; - return 0; - } + if ((width & 7) || (x < 0) || (y < 0) || (x+width > video_mode->xres) || (y+height > video_mode->yres)) { + return -1; + } else { + void *newbuf = *buffer; + + if ((newbuf == NULL) || (vl_current_width != width) || (vl_current_height != height)) { + newbuf = realloc(newbuf, width * height * video_bypp); + } + + if (newbuf == NULL) { + return -2; + } + + vl_current_width = width; + vl_current_height = height; + vl_current_stride = vl_current_width * video_bypp; + vl_current_bytes = vl_current_stride * height; + + vl_current_offset = video_scanlen * y + video_bypp * x; + vl_current_delta = video_scanlen - vl_current_stride; + + vl_current_draw_buffer = vl_current_read_buffer = *buffer = newbuf; + return 0; + } } - /* Desc: state retrieval * * In : name, storage @@ -495,41 +505,40 @@ int vl_sync_buffer (void **buffer, int x, int y, int width, int height) * * Note: - */ -int vl_get (int pname, int *params) +int +vl_get (int pname, int *params) { - switch (pname) { - case VL_GET_SCREEN_SIZE: - params[0] = video_mode->xres; - params[1] = video_mode->yres; - break; - case VL_GET_VIDEO_MODES: - { - int n; - vl_mode *q; - if ((q = v_init_hw()) == NULL) { - return -1; - } - /* count available visuals */ - for (n = 0; q->mode != 0xffff; q++) { - if ((q + 1)->mode == (q->mode | 0x4000)) { - /* same mode, but linear */ - q++; - } - if (params) { - params[n] = (int)q; - } - n++; - } - return n; - } - default: - return (drv != NULL) ? drv->get(pname, params) : -1; - } - return 0; + switch (pname) { + case VL_GET_SCREEN_SIZE: + params[0] = video_mode->xres; + params[1] = video_mode->yres; + break; + case VL_GET_VIDEO_MODES: { + int n; + vl_mode *q; + if ((q = v_init_hw()) == NULL) { + return -1; + } + /* count available visuals */ + for (n = 0; q->mode != 0xffff; q++) { + if ((q + 1)->mode == (q->mode | 0x4000)) { + /* same mode, but linear */ + q++; + } + if (params) { + params[n] = (int)q; + } + n++; + } + return n; + } + default: + return (drv != NULL) ? drv->get(pname, params) : -1; + } + return 0; } - /* Desc: setup mode * * In : ptr to mode definition @@ -537,54 +546,54 @@ int vl_get (int pname, int *params) * * Note: - */ -static int vl_setup_mode (vl_mode *p) +static int +vl_setup_mode (vl_mode *p) { - if (p == NULL) { - return -1; - } + if (p == NULL) { + return -1; + } #define INITPTR(bpp) \ - vl_putpixel = v_putpixel##bpp; \ - vl_getrgba = v_getrgba##bpp; \ - vl_getpixel = v_getpixel##bpp; \ - vl_rect = v_rect##bpp; \ - vl_mixfix = vl_mixfix##bpp; \ - vl_mixrgb = vl_mixrgb##bpp; \ - vl_mixrgba = vl_mixrgba##bpp; \ - vl_clear = _can_mmx() ? v_clear##bpp##_mmx : v_clear##bpp + vl_putpixel = v_putpixel##bpp; \ + vl_getrgba = v_getrgba##bpp; \ + vl_getpixel = v_getpixel##bpp; \ + vl_rect = v_rect##bpp; \ + vl_mixfix = vl_mixfix##bpp; \ + vl_mixrgb = vl_mixrgb##bpp; \ + vl_mixrgba = vl_mixrgba##bpp; \ + vl_clear = _can_mmx() ? v_clear##bpp##_mmx : v_clear##bpp - switch (p->bpp) { - case 8: - INITPTR(8); - break; - case 15: - INITPTR(15); - break; - case 16: - INITPTR(16); - break; - case 24: - INITPTR(24); - break; - case 32: - INITPTR(32); - break; - default: - return -1; - } + switch (p->bpp) { + case 8: + INITPTR(8); + break; + case 15: + INITPTR(15); + break; + case 16: + INITPTR(16); + break; + case 24: + INITPTR(24); + break; + case 32: + INITPTR(32); + break; + default: + return -1; + } #undef INITPTR - video_mode = p; - video_bypp = (p->bpp+7)/8; - video_scanlen = p->scanlen; - vl_video_selector = p->sel; + video_mode = p; + video_bypp = (p->bpp+7)/8; + video_scanlen = p->scanlen; + vl_video_selector = p->sel; - return 0; + return 0; } - /* Desc: restore to the mode prior to first call to `vl_video_init'. * * In : - @@ -592,15 +601,15 @@ static int vl_setup_mode (vl_mode *p) * * Note: - */ -void vl_video_exit (void) +void +vl_video_exit (void) { - drv->restore(); - drv->fini(); - video_mode = NULL; + drv->restore(); + drv->fini(); + video_mode = NULL; } - /* Desc: enter mode * * In : xres, yres, bits/pixel, RGB, refresh rate @@ -608,52 +617,53 @@ void vl_video_exit (void) * * Note: - */ -int vl_video_init (int width, int height, int bpp, int rgb, int refresh) +int +vl_video_init (int width, int height, int bpp, int rgb, int refresh) { - int fake; - vl_mode *p, *q; - unsigned int min; - - fake = 0; - if (!rgb) { - bpp = 8; - } else if (bpp == 8) { - fake = 1; - } + int fake; + vl_mode *p, *q; + unsigned int min; + + fake = 0; + if (!rgb) { + bpp = 8; + } else if (bpp == 8) { + fake = 1; + } #if HUGE_LOOKUP - else if (bpp < 24) { - v_init_pixeltables(); - } + else if (bpp < 24) { + v_init_pixeltables(); + } #endif - /* initialize hardware */ - if ((q = v_init_hw()) == NULL) { - return 0; - } - - /* search for a mode that fits our request */ - for (min=-1, p=NULL; q->mode!=0xffff; q++) { - if ((q->xres>=width) && (q->yres>=height) && (q->bpp==bpp)) { - if (min>=(unsigned)(q->xres*q->yres)) { - min = q->xres*q->yres; - p = q; - } - } - } - - /* setup and enter mode */ - if ((vl_setup_mode(p) == 0) && (drv->entermode(p, refresh) == 0)) { - vl_flip = drv->blit; - if (fake) { - drv->get(VL_GET_CI_PREC, (int *)(&min)); - fake_buildpalette(min); - if (min == 8) { - vl_getrgba = v_getrgba8fake8; - } - } - return bpp; - } - - /* abort */ - return 0; + /* initialize hardware */ + if ((q = v_init_hw()) == NULL) { + return 0; + } + + /* search for a mode that fits our request */ + for (min = -1, p = NULL; q->mode != 0xffff; q++) { + if ((q->xres >= width) && (q->yres >= height) && (q->bpp == bpp)) { + if (min >= (unsigned)(q->xres * q->yres)) { + min = q->xres * q->yres; + p = q; + } + } + } + + /* setup and enter mode */ + if ((vl_setup_mode(p) == 0) && (drv->entermode(p, refresh) == 0)) { + vl_flip = drv->blit; + if (fake) { + drv->get(VL_GET_CI_PREC, (int *)(&min)); + fake_buildpalette(min); + if (min == 8) { + vl_getrgba = v_getrgba8fake8; + } + } + return bpp; + } + + /* abort */ + return 0; } |