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author | Alan Hourihane <alanh@tungstengraphics.com> | 2003-12-05 11:47:35 +0000 |
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committer | Alan Hourihane <alanh@tungstengraphics.com> | 2003-12-05 11:47:35 +0000 |
commit | 98165fb1cf6d490ab152084710f11aee559bfec6 (patch) | |
tree | 772b8dc1c08c08cdc4c4ece4a18b30ec0184c836 /src/mesa | |
parent | a87bf1599c970a61a56f6271e2fb0b107c299893 (diff) | |
download | external_mesa3d-98165fb1cf6d490ab152084710f11aee559bfec6.zip external_mesa3d-98165fb1cf6d490ab152084710f11aee559bfec6.tar.gz external_mesa3d-98165fb1cf6d490ab152084710f11aee559bfec6.tar.bz2 |
merge i810 DRI driver from DRI trunk
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/drivers/dri/i810/i810texstate.c | 34 |
1 files changed, 7 insertions, 27 deletions
diff --git a/src/mesa/drivers/dri/i810/i810texstate.c b/src/mesa/drivers/dri/i810/i810texstate.c index 6219353..05f685c 100644 --- a/src/mesa/drivers/dri/i810/i810texstate.c +++ b/src/mesa/drivers/dri/i810/i810texstate.c @@ -47,7 +47,7 @@ static void i810SetTexImages( i810ContextPtr imesa, GLuint height, width, pitch, i, textureFormat, log_pitch; i810TextureObjectPtr t = (i810TextureObjectPtr) tObj->DriverData; const struct gl_texture_image *baseImage = tObj->Image[tObj->BaseLevel]; - GLint firstLevel, lastLevel, numLevels; + GLint numLevels; GLint log2Width, log2Height; /* fprintf(stderr, "%s\n", __FUNCTION__); */ @@ -80,38 +80,18 @@ static void i810SetTexImages( i810ContextPtr imesa, return; } - /* Compute which mipmap levels we really want to send to the hardware. - * This depends on the base image size, GL_TEXTURE_MIN_LOD, - * GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, and GL_TEXTURE_MAX_LEVEL. - * Yes, this looks overly complicated, but it's all needed. - */ - if (tObj->MinFilter == GL_LINEAR || tObj->MinFilter == GL_NEAREST) { - firstLevel = lastLevel = tObj->BaseLevel; - } - else { - firstLevel = tObj->BaseLevel + (GLint) (tObj->MinLod + 0.5); - firstLevel = MAX2(firstLevel, tObj->BaseLevel); - lastLevel = tObj->BaseLevel + (GLint) (tObj->MaxLod + 0.5); - lastLevel = MAX2(lastLevel, tObj->BaseLevel); - lastLevel = MIN2(lastLevel, tObj->BaseLevel + baseImage->MaxLog2); - lastLevel = MIN2(lastLevel, tObj->MaxLevel); - lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */ - } - - /* save these values */ - t->base.firstLevel = firstLevel; - t->base.lastLevel = lastLevel; + driCalculateTextureFirstLastLevel( (driTextureObject *) t ); - numLevels = lastLevel - firstLevel + 1; + numLevels = t->base.lastLevel - t->base.firstLevel + 1; - log2Width = tObj->Image[firstLevel]->WidthLog2; - log2Height = tObj->Image[firstLevel]->HeightLog2; + log2Width = tObj->Image[t->base.firstLevel]->WidthLog2; + log2Height = tObj->Image[t->base.firstLevel]->HeightLog2; /* Figure out the amount of memory required to hold all the mipmap * levels. Choose the smallest pitch to accomodate the largest * mipmap: */ - width = tObj->Image[firstLevel]->Width * t->texelBytes; + width = tObj->Image[t->base.firstLevel]->Width * t->texelBytes; for (pitch = 32, log_pitch=2 ; pitch < width ; pitch *= 2 ) log_pitch++; @@ -119,7 +99,7 @@ static void i810SetTexImages( i810ContextPtr imesa, * lines required: */ for ( height = i = 0 ; i < numLevels ; i++ ) { - t->image[i].image = tObj->Image[firstLevel + i]; + t->image[i].image = tObj->Image[t->base.firstLevel + i]; t->image[i].offset = height * pitch; t->image[i].internalFormat = baseImage->Format; height += t->image[i].image->Height; |