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path: root/src/mesa/drivers/glide/fxdd.c
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Diffstat (limited to 'src/mesa/drivers/glide/fxdd.c')
-rw-r--r--src/mesa/drivers/glide/fxdd.c403
1 files changed, 354 insertions, 49 deletions
diff --git a/src/mesa/drivers/glide/fxdd.c b/src/mesa/drivers/glide/fxdd.c
index 7068af2f8c..aba2fa131a 100644
--- a/src/mesa/drivers/glide/fxdd.c
+++ b/src/mesa/drivers/glide/fxdd.c
@@ -482,6 +482,7 @@ fxDDDrawBitmap2 (GLcontext *ctx, GLint px, GLint py,
/* make sure the pixelpipe is configured correctly */
fxSetupFXUnits(ctx);
+ /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */
if (ctx->Scissor.Enabled) {
/* This is a bit tricky, but by carefully adjusting the px, py,
* width, height, skipPixels and skipRows values we can do
@@ -542,7 +543,7 @@ fxDDDrawBitmap2 (GLcontext *ctx, GLint px, GLint py,
fxMesa->currentFB,
mode,
GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) {
- _swrast_Bitmap(ctx, px, py, width, height, unpack, bitmap);
+ _swrast_Bitmap(ctx, px, py, width, height, finalUnpack, bitmap);
return;
}
@@ -646,6 +647,7 @@ fxDDDrawBitmap4 (GLcontext *ctx, GLint px, GLint py,
/* make sure the pixelpipe is configured correctly */
fxSetupFXUnits(ctx);
+ /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */
if (ctx->Scissor.Enabled) {
/* This is a bit tricky, but by carefully adjusting the px, py,
* width, height, skipPixels and skipRows values we can do
@@ -700,7 +702,7 @@ fxDDDrawBitmap4 (GLcontext *ctx, GLint px, GLint py,
fxMesa->currentFB,
GR_LFBWRITEMODE_8888,
GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) {
- _swrast_Bitmap(ctx, px, py, width, height, unpack, bitmap);
+ _swrast_Bitmap(ctx, px, py, width, height, finalUnpack, bitmap);
return;
}
@@ -1091,11 +1093,280 @@ fxDDReadPixels8888 (GLcontext * ctx,
}
-/* [dBorca] Hack alert:
- * not finished!!!
- * revise fallback tests and fix scissor; implement new formats
- * also write its siblings: 565 and 1555
- */
+void
+fxDDDrawPixels555 (GLcontext * ctx, GLint x, GLint y,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *unpack,
+ const GLvoid * pixels)
+{
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
+ GrLfbInfo_t info;
+ const struct gl_pixelstore_attrib *finalUnpack;
+ struct gl_pixelstore_attrib scissoredUnpack;
+
+ if (ctx->Pixel.ZoomX != 1.0F ||
+ ctx->Pixel.ZoomY != 1.0F ||
+ (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT|
+ IMAGE_MAP_COLOR_BIT)) ||
+ (swrast->_RasterMask & (ALPHATEST_BIT |
+ /*BLEND_BIT |*/ /* blending ok, through pixpipe */
+ DEPTH_BIT | /* could be done with RGB:DEPTH */
+ FOG_BIT | /* could be done with RGB:DEPTH */
+ LOGIC_OP_BIT |
+ /*CLIP_BIT |*/ /* clipping ok, below */
+ STENCIL_BIT |
+ MASKING_BIT |
+ ALPHABUF_BIT |
+ MULTI_DRAW_BIT |
+ OCCLUSION_BIT | /* nope! at least not yet */
+ TEXTURE_BIT |
+ FRAGPROG_BIT)) ||
+ fxMesa->fallback)
+ {
+ _swrast_DrawPixels( ctx, x, y, width, height, format, type,
+ unpack, pixels );
+ return;
+ }
+
+ /* make sure the pixelpipe is configured correctly */
+ fxSetupFXUnits(ctx);
+
+ /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */
+ if (ctx->Scissor.Enabled) {
+ /* This is a bit tricky, but by carefully adjusting the px, py,
+ * width, height, skipPixels and skipRows values we can do
+ * scissoring without special code in the rendering loop.
+ */
+
+ /* we'll construct a new pixelstore struct */
+ finalUnpack = &scissoredUnpack;
+ scissoredUnpack = *unpack;
+ if (scissoredUnpack.RowLength == 0)
+ scissoredUnpack.RowLength = width;
+
+ /* clip left */
+ if (x < ctx->Scissor.X) {
+ scissoredUnpack.SkipPixels += (ctx->Scissor.X - x);
+ width -= (ctx->Scissor.X - x);
+ x = ctx->Scissor.X;
+ }
+ /* clip right */
+ if (x + width >= ctx->Scissor.X + ctx->Scissor.Width) {
+ width -= (x + width - (ctx->Scissor.X + ctx->Scissor.Width));
+ }
+ /* clip bottom */
+ if (y < ctx->Scissor.Y) {
+ scissoredUnpack.SkipRows += (ctx->Scissor.Y - y);
+ height -= (ctx->Scissor.Y - y);
+ y = ctx->Scissor.Y;
+ }
+ /* clip top */
+ if (y + height >= ctx->Scissor.Y + ctx->Scissor.Height) {
+ height -= (y + height - (ctx->Scissor.Y + ctx->Scissor.Height));
+ }
+
+ if (width <= 0 || height <= 0)
+ return;
+ }
+ else {
+ finalUnpack = unpack;
+ }
+
+ info.size = sizeof(info);
+ if (!grLfbLock(GR_LFB_WRITE_ONLY,
+ fxMesa->currentFB,
+ GR_LFBWRITEMODE_1555,
+ GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) {
+ _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
+ return;
+ }
+
+ {
+ const GLint winX = 0;
+ const GLint winY = 0;
+
+ const GLint dstStride = info.strideInBytes / 2; /* stride in GLushorts */
+ GLushort *dst = (GLushort *) info.lfbPtr + (winY + y) * dstStride + (winX + x);
+
+ if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
+ GLint row;
+ for (row = 0; row < height; row++) {
+ GLubyte *src = (GLubyte *) _mesa_image_address(finalUnpack, pixels,
+ width, height, format,
+ type, 0, row, 0);
+ GLint col;
+ for (col = 0; col < width; col++) {
+ dst[col] = TDFXPACKCOLOR1555(src[2], src[1], src[0], src[3]);
+ src += 4;
+ }
+ dst += dstStride;
+ }
+ }
+ else if (format == GL_RGB && type == GL_UNSIGNED_BYTE) {
+ GLint row;
+ for (row = 0; row < height; row++) {
+ GLubyte *src = (GLubyte *) _mesa_image_address(finalUnpack, pixels,
+ width, height, format,
+ type, 0, row, 0);
+ GLint col;
+ for (col = 0; col < width; col++) {
+ dst[col] = TDFXPACKCOLOR1555(src[2], src[1], src[0], 255);
+ src += 3;
+ }
+ dst += dstStride;
+ }
+ }
+ else {
+ grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
+ _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
+ return;
+ }
+
+ }
+
+ grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
+}
+
+
+void
+fxDDDrawPixels565 (GLcontext * ctx, GLint x, GLint y,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *unpack,
+ const GLvoid * pixels)
+{
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
+ GrLfbInfo_t info;
+ const struct gl_pixelstore_attrib *finalUnpack;
+ struct gl_pixelstore_attrib scissoredUnpack;
+
+ if (ctx->Pixel.ZoomX != 1.0F ||
+ ctx->Pixel.ZoomY != 1.0F ||
+ (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT|
+ IMAGE_MAP_COLOR_BIT)) ||
+ (swrast->_RasterMask & (ALPHATEST_BIT |
+ /*BLEND_BIT |*/ /* blending ok, through pixpipe */
+ DEPTH_BIT | /* could be done with RGB:DEPTH */
+ FOG_BIT | /* could be done with RGB:DEPTH */
+ LOGIC_OP_BIT |
+ /*CLIP_BIT |*/ /* clipping ok, below */
+ STENCIL_BIT |
+ MASKING_BIT |
+ ALPHABUF_BIT |
+ MULTI_DRAW_BIT |
+ OCCLUSION_BIT | /* nope! at least not yet */
+ TEXTURE_BIT |
+ FRAGPROG_BIT)) ||
+ fxMesa->fallback)
+ {
+ _swrast_DrawPixels( ctx, x, y, width, height, format, type,
+ unpack, pixels );
+ return;
+ }
+
+ /* make sure the pixelpipe is configured correctly */
+ fxSetupFXUnits(ctx);
+
+ /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */
+ if (ctx->Scissor.Enabled) {
+ /* This is a bit tricky, but by carefully adjusting the px, py,
+ * width, height, skipPixels and skipRows values we can do
+ * scissoring without special code in the rendering loop.
+ */
+
+ /* we'll construct a new pixelstore struct */
+ finalUnpack = &scissoredUnpack;
+ scissoredUnpack = *unpack;
+ if (scissoredUnpack.RowLength == 0)
+ scissoredUnpack.RowLength = width;
+
+ /* clip left */
+ if (x < ctx->Scissor.X) {
+ scissoredUnpack.SkipPixels += (ctx->Scissor.X - x);
+ width -= (ctx->Scissor.X - x);
+ x = ctx->Scissor.X;
+ }
+ /* clip right */
+ if (x + width >= ctx->Scissor.X + ctx->Scissor.Width) {
+ width -= (x + width - (ctx->Scissor.X + ctx->Scissor.Width));
+ }
+ /* clip bottom */
+ if (y < ctx->Scissor.Y) {
+ scissoredUnpack.SkipRows += (ctx->Scissor.Y - y);
+ height -= (ctx->Scissor.Y - y);
+ y = ctx->Scissor.Y;
+ }
+ /* clip top */
+ if (y + height >= ctx->Scissor.Y + ctx->Scissor.Height) {
+ height -= (y + height - (ctx->Scissor.Y + ctx->Scissor.Height));
+ }
+
+ if (width <= 0 || height <= 0)
+ return;
+ }
+ else {
+ finalUnpack = unpack;
+ }
+
+ info.size = sizeof(info);
+ if (!grLfbLock(GR_LFB_WRITE_ONLY,
+ fxMesa->currentFB,
+ GR_LFBWRITEMODE_565,
+ GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) {
+ _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
+ return;
+ }
+
+ {
+ const GLint winX = 0;
+ const GLint winY = 0;
+
+ const GLint dstStride = info.strideInBytes / 2; /* stride in GLushorts */
+ GLushort *dst = (GLushort *) info.lfbPtr + (winY + y) * dstStride + (winX + x);
+
+ if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
+ GLint row;
+ for (row = 0; row < height; row++) {
+ GLubyte *src = (GLubyte *) _mesa_image_address(finalUnpack, pixels,
+ width, height, format,
+ type, 0, row, 0);
+ GLint col;
+ for (col = 0; col < width; col++) {
+ dst[col] = TDFXPACKCOLOR565(src[2], src[1], src[0]);
+ src += 4;
+ }
+ dst += dstStride;
+ }
+ }
+ else if (format == GL_RGB && type == GL_UNSIGNED_BYTE) {
+ GLint row;
+ for (row = 0; row < height; row++) {
+ GLubyte *src = (GLubyte *) _mesa_image_address(finalUnpack, pixels,
+ width, height, format,
+ type, 0, row, 0);
+ GLint col;
+ for (col = 0; col < width; col++) {
+ dst[col] = TDFXPACKCOLOR565(src[2], src[1], src[0]);
+ src += 3;
+ }
+ dst += dstStride;
+ }
+ }
+ else {
+ grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
+ _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
+ return;
+ }
+
+ }
+
+ grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
+}
+
+
void
fxDDDrawPixels8888 (GLcontext * ctx, GLint x, GLint y,
GLsizei width, GLsizei height,
@@ -1104,24 +1375,28 @@ fxDDDrawPixels8888 (GLcontext * ctx, GLint x, GLint y,
const GLvoid * pixels)
{
fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
GrLfbInfo_t info;
+ const struct gl_pixelstore_attrib *finalUnpack;
+ struct gl_pixelstore_attrib scissoredUnpack;
if (ctx->Pixel.ZoomX != 1.0F ||
ctx->Pixel.ZoomY != 1.0F ||
(ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT|
IMAGE_MAP_COLOR_BIT)) ||
- /*ctx->Color.AlphaEnabled ||*/
- ctx->Depth.Test ||
- ctx->Fog.Enabled ||
- ctx->Scissor.Enabled ||
- ctx->Stencil.Enabled ||
- /*!ctx->Color.ColorMask[0] ||
- !ctx->Color.ColorMask[1] ||
- !ctx->Color.ColorMask[2] ||
- !ctx->Color.ColorMask[3] ||*/
- ctx->Color.ColorLogicOpEnabled ||
- ctx->Texture._EnabledUnits ||
- ctx->Depth.OcclusionTest ||
+ (swrast->_RasterMask & (/*ALPHATEST_BIT |*/
+ /*BLEND_BIT |*/ /* blending ok, through pixpipe */
+ DEPTH_BIT | /* could be done with RGB:DEPTH */
+ FOG_BIT | /* could be done with RGB:DEPTH */
+ LOGIC_OP_BIT |
+ /*CLIP_BIT |*/ /* clipping ok, below */
+ STENCIL_BIT |
+ /*MASKING_BIT |*/ /* masking ok, we're in 32bpp */
+ /*ALPHABUF_BIT |*//* alpha ok, we're in 32bpp */
+ MULTI_DRAW_BIT |
+ OCCLUSION_BIT | /* nope! at least not yet */
+ TEXTURE_BIT |
+ FRAGPROG_BIT)) ||
fxMesa->fallback)
{
_swrast_DrawPixels( ctx, x, y, width, height, format, type,
@@ -1129,29 +1404,56 @@ fxDDDrawPixels8888 (GLcontext * ctx, GLint x, GLint y,
return;
}
- /* lock early to make sure cliprects are right */
- BEGIN_BOARD_LOCK();
-
/* make sure the pixelpipe is configured correctly */
fxSetupFXUnits(ctx);
- /* look for clipmasks, giveup if region obscured */
-#if 0
- if (ctx->Color.DrawBuffer == GL_FRONT) {
- if (!inClipRects_Region(fxMesa, scrX, scrY, width, height)) {
- END_BOARD_LOCK(fxMesa);
- _swrast_DrawPixels(ctx, x, y, width, height, format, type, unpack, pixels);
- return;
+ /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */
+ if (ctx->Scissor.Enabled) {
+ /* This is a bit tricky, but by carefully adjusting the px, py,
+ * width, height, skipPixels and skipRows values we can do
+ * scissoring without special code in the rendering loop.
+ */
+
+ /* we'll construct a new pixelstore struct */
+ finalUnpack = &scissoredUnpack;
+ scissoredUnpack = *unpack;
+ if (scissoredUnpack.RowLength == 0)
+ scissoredUnpack.RowLength = width;
+
+ /* clip left */
+ if (x < ctx->Scissor.X) {
+ scissoredUnpack.SkipPixels += (ctx->Scissor.X - x);
+ width -= (ctx->Scissor.X - x);
+ x = ctx->Scissor.X;
+ }
+ /* clip right */
+ if (x + width >= ctx->Scissor.X + ctx->Scissor.Width) {
+ width -= (x + width - (ctx->Scissor.X + ctx->Scissor.Width));
+ }
+ /* clip bottom */
+ if (y < ctx->Scissor.Y) {
+ scissoredUnpack.SkipRows += (ctx->Scissor.Y - y);
+ height -= (ctx->Scissor.Y - y);
+ y = ctx->Scissor.Y;
+ }
+ /* clip top */
+ if (y + height >= ctx->Scissor.Y + ctx->Scissor.Height) {
+ height -= (y + height - (ctx->Scissor.Y + ctx->Scissor.Height));
}
+
+ if (width <= 0 || height <= 0)
+ return;
+ }
+ else {
+ finalUnpack = unpack;
}
-#endif
info.size = sizeof(info);
if (!grLfbLock(GR_LFB_WRITE_ONLY,
fxMesa->currentFB,
GR_LFBWRITEMODE_8888,
GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) {
- _swrast_DrawPixels(ctx, x, y, width, height, format, type, unpack, pixels);
+ _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
return;
}
@@ -1161,32 +1463,42 @@ fxDDDrawPixels8888 (GLcontext * ctx, GLint x, GLint y,
const GLint dstStride = info.strideInBytes / 4; /* stride in GLuints */
GLuint *dst = (GLuint *) info.lfbPtr + (winY + y) * dstStride + (winX + x);
- const GLubyte *src = (GLubyte *)_mesa_image_address(unpack, pixels,
- width, height, format,
- type, 0, 0, 0);
- const GLint srcStride = _mesa_image_row_stride(unpack, width, format, type);
if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
/* directly memcpy 8A8R8G8B pixels to screen */
const GLint widthInBytes = width * 4;
GLint row;
for (row = 0; row < height; row++) {
+ GLubyte *src = (GLubyte *) _mesa_image_address(finalUnpack, pixels,
+ width, height, format,
+ type, 0, row, 0);
MEMCPY(dst, src, widthInBytes);
dst += dstStride;
- src += srcStride;
+ }
+ }
+ else if (format == GL_RGB && type == GL_UNSIGNED_BYTE) {
+ GLint row;
+ for (row = 0; row < height; row++) {
+ GLubyte *src = (GLubyte *) _mesa_image_address(finalUnpack, pixels,
+ width, height, format,
+ type, 0, row, 0);
+ GLint col;
+ for (col = 0; col < width; col++) {
+ dst[col] = TDFXPACKCOLOR8888(src[2], src[1], src[0], 255);
+ src += 3;
+ }
+ dst += dstStride;
}
}
else {
grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
- END_BOARD_LOCK();
- _swrast_DrawPixels(ctx, x, y, width, height, format, type, unpack, pixels);
+ _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
return;
}
}
grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
- END_BOARD_LOCK();
}
@@ -1326,17 +1638,8 @@ fxDDInitFxMesaContext(fxMesaContext fxMesa)
return 0;
}
- /* [dBorca] Hack alert:
- * Unlike the rest of the Voodoo family, the Rush
- * doesn't support ZBUFFER with WBUFFER-like depth functions!
- * I guess we could use WBUFFER, which is better, but we can't
- * because the depth span functions would need to translate
- * depth values to 4.12 floating point...
- */
if (fxMesa->haveZBuffer) {
- grDepthBufferMode((fxMesa->type == GR_SSTTYPE_SST96)
- ? GR_DEPTHBUFFER_WBUFFER
- : GR_DEPTHBUFFER_ZBUFFER);
+ grDepthBufferMode(GR_DEPTHBUFFER_ZBUFFER);
}
if (!fxMesa->bgrOrder) {
@@ -1728,10 +2031,12 @@ fxSetupDDPointers(GLcontext * ctx)
ctx->Driver.GetBufferSize = fxDDBufferSize;
switch (fxMesa->colDepth) {
case 15:
+ ctx->Driver.DrawPixels = fxDDDrawPixels555;
ctx->Driver.ReadPixels = fxDDReadPixels555;
ctx->Driver.Bitmap = fxDDDrawBitmap2;
break;
case 16:
+ ctx->Driver.DrawPixels = fxDDDrawPixels565;
ctx->Driver.ReadPixels = fxDDReadPixels565;
ctx->Driver.Bitmap = fxDDDrawBitmap2;
break;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 10:58:40 +0000