diff options
Diffstat (limited to 'src/mesa/drivers/glide/fxdd.c')
| -rw-r--r-- | src/mesa/drivers/glide/fxdd.c | 150 |
1 files changed, 142 insertions, 8 deletions
diff --git a/src/mesa/drivers/glide/fxdd.c b/src/mesa/drivers/glide/fxdd.c index aba2fa131a0..30e5fe03b87 100644 --- a/src/mesa/drivers/glide/fxdd.c +++ b/src/mesa/drivers/glide/fxdd.c @@ -974,7 +974,7 @@ fxDDReadPixels555 (GLcontext * ctx, src -= srcStride; } } - else if (format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5) { + else if (format == GL_BGRA && type == GL_UNSIGNED_SHORT_1_5_5_5_REV) { /* directly memcpy 5R5G5B pixels into client's buffer */ const GLint widthInBytes = width * 2; GLint row; @@ -1368,6 +1368,143 @@ fxDDDrawPixels565 (GLcontext * ctx, GLint x, GLint y, void +fxDDDrawPixels565_rev (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[0], src[1], src[2]); + 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[0], src[1], src[2]); + 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, GLenum format, GLenum type, @@ -1712,11 +1849,8 @@ fxDDInitFxMesaContext(fxMesaContext fxMesa) fxDDInitExtensions(ctx); #if 0 - /* [dBorca] Hack alert: - * do we want dither? It just looks bad... - */ + /* do we want dither? It just looks bad... */ grEnable(GR_ALLOW_MIPMAP_DITHER); - grTexNccTable(GR_NCCTABLE_NCC0); /* set this once... no multipass */ #endif grGlideGetState((GrState *) fxMesa->state); @@ -1955,14 +2089,14 @@ fx_check_IsInHardware(GLcontext * ctx) * were enabled. That's easy! */ if (ctx->Texture._EnabledUnits == 0x3) { +#if 0 /* Can't use multipass to blend a multitextured triangle - fall * back to software. - * [dBorca] we hit this case only when we try to emulate - * multitexture by multipass! */ if (!fxMesa->haveTwoTMUs && ctx->Color.BlendEnabled) { return FX_FALLBACK_TEXTURE_MULTI; } +#endif if ((ctx->Texture.Unit[0].EnvMode != ctx->Texture.Unit[1].EnvMode) && (ctx->Texture.Unit[0].EnvMode != GL_MODULATE) && @@ -2036,7 +2170,7 @@ fxSetupDDPointers(GLcontext * ctx) ctx->Driver.Bitmap = fxDDDrawBitmap2; break; case 16: - ctx->Driver.DrawPixels = fxDDDrawPixels565; + ctx->Driver.DrawPixels = !fxMesa->bgrOrder ? fxDDDrawPixels565 : fxDDDrawPixels565_rev; ctx->Driver.ReadPixels = fxDDReadPixels565; ctx->Driver.Bitmap = fxDDDrawBitmap2; break; |