diff options
author | Shane Blackett <shane@blackett.co.nz> | 2008-09-11 08:35:27 -0600 |
---|---|---|
committer | Brian Paul <brian.paul@tungstengraphics.com> | 2008-09-11 08:36:03 -0600 |
commit | 4d42c5bebf8740ebfc15571d24b6c92f79e09263 (patch) | |
tree | f03f56384bd017248ae2be07a6fd25a5fa1e337b /src/mesa/drivers/windows | |
parent | bc3b2a5d7a63c29602c35a4868942c20eb838338 (diff) |
added 24bpp support
Diffstat (limited to 'src/mesa/drivers/windows')
-rw-r--r-- | src/mesa/drivers/windows/gdi/wmesa.c | 227 |
1 files changed, 217 insertions, 10 deletions
diff --git a/src/mesa/drivers/windows/gdi/wmesa.c b/src/mesa/drivers/windows/gdi/wmesa.c index 1c179eb3bb..9dafb74723 100644 --- a/src/mesa/drivers/windows/gdi/wmesa.c +++ b/src/mesa/drivers/windows/gdi/wmesa.c @@ -118,6 +118,7 @@ static void wmSetPixelFormat(WMesaFramebuffer pwfb, HDC hDC) /* Only 16 and 32 bit targets are supported now */ assert(pwfb->cColorBits == 0 || pwfb->cColorBits == 16 || + pwfb->cColorBits == 24 || pwfb->cColorBits == 32); switch(pwfb->cColorBits){ @@ -127,6 +128,7 @@ static void wmSetPixelFormat(WMesaFramebuffer pwfb, HDC hDC) case 16: pwfb->pixelformat = PF_5R6G5B; break; + case 24: case 32: pwfb->pixelformat = PF_8R8G8B; break; @@ -856,6 +858,195 @@ static void read_rgba_pixels_32(const GLcontext *ctx, /*********************************************************************/ +/* DOUBLE BUFFER 24-bit */ + +#define WMSETPIXEL24(pwc, y, x, r, g, b) { \ +LPBYTE lpb = ((LPBYTE)((pwc)->pbPixels + (pwc)->ScanWidth * (y)) + (3 * x)); \ +lpb[0] = (b); \ +lpb[1] = (g); \ +lpb[2] = (r); } + +/* Write a horizontal span of RGBA color pixels with a boolean mask. */ +static void write_rgba_span_24(const GLcontext *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const GLubyte rgba[][4], + const GLubyte mask[] ) +{ + WMesaContext pwc = wmesa_context(ctx); + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + GLuint i; + LPBYTE lpb; + + (void) ctx; + + y=FLIP(y); + lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x); + if (mask) { + for (i=0; i<n; i++) + if (mask[i]) { + lpb[3*i] = rgba[i][BCOMP]; + lpb[3*i+1] = rgba[i][GCOMP]; + lpb[3*i+2] = rgba[i][RCOMP]; + } + } + else { + for (i=0; i<n; i++) { + *lpb++ = rgba[i][BCOMP]; + *lpb++ = rgba[i][GCOMP]; + *lpb++ = rgba[i][RCOMP]; + } + } +} + + +/* Write a horizontal span of RGB color pixels with a boolean mask. */ +static void write_rgb_span_24(const GLcontext *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const GLubyte rgb[][3], + const GLubyte mask[] ) +{ + WMesaContext pwc = wmesa_context(ctx); + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + GLuint i; + LPBYTE lpb; + + (void) ctx; + + y=FLIP(y); + lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x); + if (mask) { + for (i=0; i<n; i++) + if (mask[i]) { + lpb[3*i] = rgb[i][BCOMP]; + lpb[3*i+1] = rgb[i][GCOMP]; + lpb[3*i+2] = rgb[i][RCOMP]; + } + } + else { + for (i=0; i<n; i++) { + *lpb++ = rgb[i][BCOMP]; + *lpb++ = rgb[i][GCOMP]; + *lpb++ = rgb[i][RCOMP]; + } + } +} + +/* + * Write a horizontal span of pixels with a boolean mask. The current color + * is used for all pixels. + */ +static void write_mono_rgba_span_24(const GLcontext *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const GLchan color[4], + const GLubyte mask[]) +{ + LPBYTE lpb; + GLuint i; + WMesaContext pwc = wmesa_context(ctx); + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x); + y=FLIP(y); + if (mask) { + for (i=0; i<n; i++) + if (mask[i]) { + lpb[3*i] = color[BCOMP]; + lpb[3*i+1] = color[GCOMP]; + lpb[3*i+2] = color[RCOMP]; + } + } + else + for (i=0; i<n; i++) { + *lpb++ = color[BCOMP]; + *lpb++ = color[GCOMP]; + *lpb++ = color[RCOMP]; + } +} + +/* Write an array of RGBA pixels with a boolean mask. */ +static void write_rgba_pixels_24(const GLcontext *ctx, + struct gl_renderbuffer *rb, + GLuint n, const GLint x[], const GLint y[], + const GLubyte rgba[][4], + const GLubyte mask[]) +{ + GLuint i; + WMesaContext pwc = wmesa_context(ctx); + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + for (i=0; i<n; i++) + if (mask[i]) + WMSETPIXEL24(pwfb, FLIP(y[i]), x[i], + rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); +} + +/* + * Write an array of pixels with a boolean mask. The current color + * is used for all pixels. + */ +static void write_mono_rgba_pixels_24(const GLcontext *ctx, + struct gl_renderbuffer *rb, + GLuint n, + const GLint x[], const GLint y[], + const GLchan color[4], + const GLubyte mask[]) +{ + GLuint i; + WMesaContext pwc = wmesa_context(ctx); + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + for (i=0; i<n; i++) + if (mask[i]) + WMSETPIXEL24(pwfb, FLIP(y[i]),x[i],color[RCOMP], + color[GCOMP], color[BCOMP]); +} + +/* Read a horizontal span of color pixels. */ +static void read_rgba_span_24(const GLcontext *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + GLubyte rgba[][4] ) +{ + GLuint i; + LPBYTE lpb; + WMesaContext pwc = wmesa_context(ctx); + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + + y = FLIP(y); + lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x); + for (i=0; i<n; i++) { + rgba[i][RCOMP] = lpb[3*i+2]; + rgba[i][GCOMP] = lpb[3*i+1]; + rgba[i][BCOMP] = lpb[3*i]; + rgba[i][ACOMP] = 255; + } +} + + +/* Read an array of color pixels. */ +static void read_rgba_pixels_24(const GLcontext *ctx, + struct gl_renderbuffer *rb, + GLuint n, const GLint x[], const GLint y[], + GLubyte rgba[][4]) +{ + GLuint i; + LPBYTE lpb; + WMesaContext pwc = wmesa_context(ctx); + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + + for (i=0; i<n; i++) { + GLint y2 = FLIP(y[i]); + lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y2)) + (3 * x[i]); + rgba[i][RCOMP] = lpb[3*i+2]; + rgba[i][GCOMP] = lpb[3*i+1]; + rgba[i][BCOMP] = lpb[3*i]; + rgba[i][ACOMP] = 255; + } +} + + +/*********************************************************************/ + /* DOUBLE BUFFER 16-bit */ #define WMSETPIXEL16(pwc, y, x, r, g, b) { \ @@ -1077,7 +1268,7 @@ wmesa_renderbuffer_storage(GLcontext *ctx, * on if we're drawing to the front or back color buffer. */ void wmesa_set_renderbuffer_funcs(struct gl_renderbuffer *rb, int pixelformat, - int double_buffer) + BYTE cColorBits, int double_buffer) { if (double_buffer) { /* back buffer */ @@ -1097,16 +1288,32 @@ void wmesa_set_renderbuffer_funcs(struct gl_renderbuffer *rb, int pixelformat, rb->BlueBits = 5; break; case PF_8R8G8B: - rb->PutRow = write_rgba_span_32; - rb->PutRowRGB = write_rgb_span_32; - rb->PutMonoRow = write_mono_rgba_span_32; - rb->PutValues = write_rgba_pixels_32; - rb->PutMonoValues = write_mono_rgba_pixels_32; - rb->GetRow = read_rgba_span_32; - rb->GetValues = read_rgba_pixels_32; + if (cColorBits == 24) + { + rb->PutRow = write_rgba_span_24; + rb->PutRowRGB = write_rgb_span_24; + rb->PutMonoRow = write_mono_rgba_span_24; + rb->PutValues = write_rgba_pixels_24; + rb->PutMonoValues = write_mono_rgba_pixels_24; + rb->GetRow = read_rgba_span_24; + rb->GetValues = read_rgba_pixels_24; + rb->RedBits = 8; + rb->GreenBits = 8; + rb->BlueBits = 8; + } + else + { + rb->PutRow = write_rgba_span_32; + rb->PutRowRGB = write_rgb_span_32; + rb->PutMonoRow = write_mono_rgba_span_32; + rb->PutValues = write_rgba_pixels_32; + rb->PutMonoValues = write_mono_rgba_pixels_32; + rb->GetRow = read_rgba_span_32; + rb->GetValues = read_rgba_pixels_32; rb->RedBits = 8; rb->GreenBits = 8; rb->BlueBits = 8; + } break; default: break; @@ -1413,11 +1620,11 @@ void WMesaMakeCurrent(WMesaContext c, HDC hdc) if (visual->doubleBufferMode == 1) { rb = wmesa_new_renderbuffer(); _mesa_add_renderbuffer(&pwfb->Base, BUFFER_BACK_LEFT, rb); - wmesa_set_renderbuffer_funcs(rb, pwfb->pixelformat, 1); + wmesa_set_renderbuffer_funcs(rb, pwfb->pixelformat, pwfb->cColorBits, 1); } rb = wmesa_new_renderbuffer(); _mesa_add_renderbuffer(&pwfb->Base, BUFFER_FRONT_LEFT, rb); - wmesa_set_renderbuffer_funcs(rb, pwfb->pixelformat, 0); + wmesa_set_renderbuffer_funcs(rb, pwfb->pixelformat, pwfb->cColorBits, 0); /* Let Mesa own the Depth, Stencil, and Accum buffers */ _mesa_add_soft_renderbuffers(&pwfb->Base, |