diff options
| -rw-r--r-- | src/mesa/drivers/dri/i915/i915_texstate.c | 57 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i915/intel_tex.c | 6 |
2 files changed, 57 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_texstate.c b/src/mesa/drivers/dri/i915/i915_texstate.c index a19d4b65840..2b806cc36ef 100644 --- a/src/mesa/drivers/dri/i915/i915_texstate.c +++ b/src/mesa/drivers/dri/i915/i915_texstate.c @@ -60,6 +60,33 @@ static GLint step_offsets[6][2] = { {0,2}, #define I915_TEX_UNIT_ENABLED(unit) (1<<unit) +static GLuint i915_compressed_alignment(GLint internal_fmt) +{ + GLuint alignment = 4; + + switch (internal_fmt) { + case GL_COMPRESSED_RGB_FXT1_3DFX: + case GL_COMPRESSED_RGBA_FXT1_3DFX: + alignment = 8; + break; + + default: + break; + } + + return alignment; +} + +static int align(int value, GLuint alignment) +{ + return (value + alignment - 1) & ~(alignment - 1); +} + +static GLuint minify(GLuint d) +{ + return MAX2(1, d >> 1); +} + static void i915LayoutTextureImages( i915ContextPtr i915, struct gl_texture_object *tObj ) { @@ -161,8 +188,15 @@ static void i915LayoutTextureImages( i915ContextPtr i915, break; } default: - pitch = tObj->Image[0][firstLevel]->Width * t->intel.texelBytes; - pitch = (pitch + 3) & ~3; + if (baseImage->IsCompressed) { + GLuint alignment = i915_compressed_alignment(baseImage->InternalFormat); + + pitch = align(tObj->Image[0][firstLevel]->Width, alignment) * t->intel.texelBytes; + } else { + pitch = tObj->Image[0][firstLevel]->Width * t->intel.texelBytes; + pitch = (pitch + 3) & ~3; + } + t->intel.base.dirty_images[0] = ~0; for ( total_height = i = 0 ; i < numLevels ; i++ ) { @@ -343,8 +377,23 @@ static void i945LayoutTextureImages( i915ContextPtr i915, break; } default: - pitch = tObj->Image[0][firstLevel]->Width * t->intel.texelBytes; - pitch = (pitch + 3) & ~3; + if (baseImage->IsCompressed) { + GLuint alignment = i915_compressed_alignment(baseImage->InternalFormat); + + pitch = align(tObj->Image[0][firstLevel]->Width, alignment); + if (numLevels > 2) { + GLint width0 = align(minify(tObj->Image[0][firstLevel]->Width), alignment) + + + align(minify(minify(tObj->Image[0][firstLevel]->Width)), alignment); + + if (width0 > pitch) + pitch = width0; + } + pitch = pitch * t->intel.texelBytes; + } else { + pitch = tObj->Image[0][firstLevel]->Width * t->intel.texelBytes; + pitch = (pitch + 3) & ~3; + } + t->intel.base.dirty_images[0] = ~0; max_offset = 0; diff --git a/src/mesa/drivers/dri/i915/intel_tex.c b/src/mesa/drivers/dri/i915/intel_tex.c index 5bd280652af..978945f26b5 100644 --- a/src/mesa/drivers/dri/i915/intel_tex.c +++ b/src/mesa/drivers/dri/i915/intel_tex.c @@ -643,17 +643,19 @@ static void intelUploadTexImage( intelContextPtr intel, switch (image->InternalFormat) { case GL_COMPRESSED_RGB_FXT1_3DFX: case GL_COMPRESSED_RGBA_FXT1_3DFX: + row_len = ((image->Width + 7) & ~7) * 2; + break; case GL_RGB_S3TC: case GL_RGB4_S3TC: case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - row_len = (image->Width * 2 + 7) & ~7; + row_len = ((image->Width + 3) & ~3) * 2; break; case GL_RGBA_S3TC: case GL_RGBA4_S3TC: case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: - row_len = (image->Width * 4 + 15) & ~15; + row_len = ((image->Width + 3) & ~3) * 4; break; default: fprintf(stderr,"Internal Compressed format not supported %d\n", image->InternalFormat); |