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Diffstat (limited to 'src/mesa/drivers/dri/i915/i915_texstate.c')
-rw-r--r--src/mesa/drivers/dri/i915/i915_texstate.c975
1 files changed, 0 insertions, 975 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_texstate.c b/src/mesa/drivers/dri/i915/i915_texstate.c
deleted file mode 100644
index 2b806cc36e..0000000000
--- a/src/mesa/drivers/dri/i915/i915_texstate.c
+++ /dev/null
@@ -1,975 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-#include "glheader.h"
-#include "macros.h"
-#include "mtypes.h"
-#include "simple_list.h"
-#include "enums.h"
-#include "texformat.h"
-#include "texstore.h"
-
-#include "mm.h"
-
-#include "intel_screen.h"
-#include "intel_ioctl.h"
-#include "intel_tex.h"
-
-#include "i915_context.h"
-#include "i915_reg.h"
-
-static GLint initial_offsets[6][2] = { {0,0},
- {0,2},
- {1,0},
- {1,2},
- {1,1},
- {1,3} };
-
-
-static GLint step_offsets[6][2] = { {0,2},
- {0,2},
- {-1,2},
- {-1,2},
- {-1,1},
- {-1,1} };
-
-
-#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 )
-{
- const struct gl_texture_image *baseImage = tObj->Image[0][tObj->BaseLevel];
- i915TextureObjectPtr t = (i915TextureObjectPtr) tObj->DriverData;
- GLint firstLevel, lastLevel, numLevels;
- GLint i, total_height, pitch;
-
- /* Compute which mipmap levels we really want to send to the hardware.
- */
- driCalculateTextureFirstLastLevel( (driTextureObject *) t );
-
- /* Figure out the amount of memory required to hold all the mipmap
- * levels. Choose the smallest pitch to accomodate the largest
- * mipmap:
- */
- firstLevel = t->intel.base.firstLevel;
- lastLevel = t->intel.base.lastLevel;
- numLevels = lastLevel - firstLevel + 1;
-
-
-
- /* All images must be loaded at this pitch. Count the number of
- * lines required:
- */
- switch (tObj->Target) {
- case GL_TEXTURE_CUBE_MAP: {
- const GLuint dim = tObj->Image[0][firstLevel]->Width;
- GLuint face;
-
- pitch = dim * t->intel.texelBytes;
- pitch *= 2; /* double pitch for cube layouts */
- pitch = (pitch + 3) & ~3;
-
- total_height = dim * 4;
-
- for ( face = 0 ; face < 6 ; face++) {
- GLuint x = initial_offsets[face][0] * dim;
- GLuint y = initial_offsets[face][1] * dim;
- GLuint d = dim;
-
- t->intel.base.dirty_images[face] = ~0;
-
- assert(tObj->Image[face][firstLevel]->Width == dim);
- assert(tObj->Image[face][firstLevel]->Height == dim);
-
- for (i = 0; i < numLevels; i++) {
- t->intel.image[face][i].image = tObj->Image[face][firstLevel + i];
- if (!t->intel.image[face][i].image) {
- fprintf(stderr, "no image %d %d\n", face, i);
- break; /* can't happen */
- }
-
- t->intel.image[face][i].offset =
- y * pitch + x * t->intel.texelBytes;
- t->intel.image[face][i].internalFormat = baseImage->_BaseFormat;
-
- d >>= 1;
- x += step_offsets[face][0] * d;
- y += step_offsets[face][1] * d;
- }
- }
- break;
- }
- case GL_TEXTURE_3D: {
- GLuint virtual_height;
- GLuint tmp_numLevels = numLevels;
- pitch = tObj->Image[0][firstLevel]->Width * t->intel.texelBytes;
- pitch = (pitch + 3) & ~3;
- t->intel.base.dirty_images[0] = ~0;
-
- /* Calculate the size of a single slice. Hardware demands a
- * minimum of 8 mipmaps, some of which might ultimately not be
- * used:
- */
- if (tmp_numLevels < 9)
- tmp_numLevels = 9;
-
- virtual_height = tObj->Image[0][firstLevel]->Height;
-
- for ( total_height = i = 0 ; i < tmp_numLevels ; i++ ) {
- t->intel.image[0][i].image = tObj->Image[0][firstLevel + i];
- if (t->intel.image[0][i].image) {
- t->intel.image[0][i].offset = total_height * pitch;
- t->intel.image[0][i].internalFormat = baseImage->_BaseFormat;
- }
-
- total_height += MAX2(2, virtual_height);
- virtual_height >>= 1;
- }
-
- t->intel.depth_pitch = total_height * pitch;
-
- /* Multiply slice size by texture depth for total size. It's
- * remarkable how wasteful of memory all the i8x0 texture
- * layouts are.
- */
- total_height *= t->intel.image[0][0].image->Depth;
- break;
- }
- default:
- 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++ ) {
- t->intel.image[0][i].image = tObj->Image[0][firstLevel + i];
- if (!t->intel.image[0][i].image)
- break;
-
- t->intel.image[0][i].offset = total_height * pitch;
- t->intel.image[0][i].internalFormat = baseImage->_BaseFormat;
- if (t->intel.image[0][i].image->IsCompressed) {
- total_height += (t->intel.image[0][i].image->Height + 3) / 4;
- }
- else
- total_height += MAX2(2, t->intel.image[0][i].image->Height);
- }
- break;
- }
-
- t->intel.Pitch = pitch;
- t->intel.base.totalSize = total_height*pitch;
- t->intel.max_level = numLevels-1;
-}
-
-
-static void i945LayoutTextureImages( i915ContextPtr i915,
- struct gl_texture_object *tObj )
-{
- const struct gl_texture_image *baseImage = tObj->Image[0][tObj->BaseLevel];
- i915TextureObjectPtr t = (i915TextureObjectPtr) tObj->DriverData;
- GLint firstLevel, lastLevel, numLevels;
- GLint i, total_height, pitch, sz, max_offset = 0, offset;
-
-
- /* Compute which mipmap levels we really want to send to the hardware.
- */
- driCalculateTextureFirstLastLevel( (driTextureObject *) t );
-
- /* Figure out the amount of memory required to hold all the mipmap
- * levels. Choose the smallest pitch to accomodate the largest
- * mipmap:
- */
- firstLevel = t->intel.base.firstLevel;
- lastLevel = t->intel.base.lastLevel;
- numLevels = lastLevel - firstLevel + 1;
-
-
-
- /* All images must be loaded at this pitch. Count the number of
- * lines required:
- */
- switch (tObj->Target) {
- case GL_TEXTURE_CUBE_MAP: {
- const GLuint dim = tObj->Image[0][firstLevel]->Width;
- GLuint face;
-
- /* Depending on the size of the largest images, pitch can be
- * determined either by the old-style packing of cubemap faces,
- * or the final row of 4x4, 2x2 and 1x1 faces below this.
- */
- if (dim > 32) {
- pitch = dim * t->intel.texelBytes;
- pitch *= 2; /* double pitch for cube layouts */
- pitch = (pitch + 3) & ~3;
- }
- else {
- pitch = 14 * 8 * t->intel.texelBytes; /* determined by row of
- * little maps at
- * bottom */
- }
-
- total_height = dim * 4 + 4;
-
- for ( face = 0 ; face < 6 ; face++) {
- GLuint x = initial_offsets[face][0] * dim;
- GLuint y = initial_offsets[face][1] * dim;
- GLuint d = dim;
-
- if (dim == 4 && face >= 4) {
- y = total_height - 4;
- x = (face - 4) * 8;
- }
- else if (dim < 4) {
- y = total_height - 4;
- x = face * 8;
- }
-
- t->intel.base.dirty_images[face] = ~0;
-
- assert(tObj->Image[face][firstLevel]->Width == dim);
- assert(tObj->Image[face][firstLevel]->Height == dim);
-
- for (i = 0; i < numLevels; i++) {
-
-
- t->intel.image[face][i].image = tObj->Image[face][firstLevel + i];
- assert(t->intel.image[face][i].image);
-
- t->intel.image[face][i].offset =
- y * pitch + x * t->intel.texelBytes;
- t->intel.image[face][i].internalFormat = baseImage->_BaseFormat;
-
- d >>= 1;
-
- switch (d) {
- case 4:
- switch (face) {
- case FACE_POS_X:
- case FACE_NEG_X:
- x += step_offsets[face][0] * d;
- y += step_offsets[face][1] * d;
- break;
- case FACE_POS_Y:
- case FACE_NEG_Y:
- y += 12;
- x -= 8;
- break;
- case FACE_POS_Z:
- case FACE_NEG_Z:
- y = total_height - 4;
- x = (face - 4) * 8;
- break;
- }
-
- case 2:
- y = total_height - 4;
- x = 16 + face * 8;
- break;
-
- case 1:
- x += 48;
- break;
-
- default:
- x += step_offsets[face][0] * d;
- y += step_offsets[face][1] * d;
- break;
- }
- }
- }
- max_offset = total_height * pitch;
- break;
- }
- case GL_TEXTURE_3D: {
- GLuint depth_packing = 0, depth_pack_pitch;
- GLuint tmp_numLevels = numLevels;
- pitch = tObj->Image[0][firstLevel]->Width * t->intel.texelBytes;
- pitch = (pitch + 3) & ~3;
- depth_pack_pitch = pitch;
-
- t->intel.base.dirty_images[0] = ~0;
-
-
- for ( total_height = i = 0 ; i < tmp_numLevels ; i++ ) {
- t->intel.image[0][i].image = tObj->Image[0][firstLevel + i];
- if (!t->intel.image[0][i].image)
- break;
-
-
- t->intel.image[0][i].offset = total_height * pitch;
- t->intel.image[0][i].internalFormat = baseImage->_BaseFormat;
-
-
-
- total_height += MAX2(2, t->intel.image[0][i].image->Height) *
- MAX2((t->intel.image[0][i].image->Depth >> depth_packing), 1);
-
- /* When alignment dominates, can't increase depth packing?
- * Or does pitch grow??? What are the alignment constraints,
- * anyway?
- */
- if (depth_pack_pitch > 4) {
- depth_packing++;
- depth_pack_pitch <<= 2;
- }
- }
-
- max_offset = total_height * pitch;
- break;
- }
- default:
- 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;
-
- for ( offset = i = 0 ; i < numLevels ; i++ ) {
- t->intel.image[0][i].image = tObj->Image[0][firstLevel + i];
- if (!t->intel.image[0][i].image)
- break;
-
- t->intel.image[0][i].offset = offset;
- t->intel.image[0][i].internalFormat = baseImage->_BaseFormat;
-
- if (t->intel.image[0][i].image->IsCompressed)
- sz = MAX2(1, t->intel.image[0][i].image->Height/4) * pitch;
- else
- sz = MAX2(2, t->intel.image[0][i].image->Height) * pitch;
-
- /* Because the images are packed better, the final offset
- * might not be the maximal one:
- */
- max_offset = MAX2(max_offset, offset + sz);
-
- /* LPT change: step right after second mipmap.
- */
- if (i == 1)
- offset += pitch / 2;
- else
- offset += sz;
-
- }
- break;
- }
-
- t->intel.Pitch = pitch;
- t->intel.base.totalSize = max_offset;
- t->intel.max_level = numLevels-1;
-}
-
-
-
-
-static void i915SetTexImages( i915ContextPtr i915,
- struct gl_texture_object *tObj )
-{
- GLuint textureFormat;
- i915TextureObjectPtr t = (i915TextureObjectPtr) tObj->DriverData;
- const struct gl_texture_image *baseImage = tObj->Image[0][tObj->BaseLevel];
- GLint ss2 = 0;
-
- switch( baseImage->TexFormat->MesaFormat ) {
- case MESA_FORMAT_L8:
- t->intel.texelBytes = 1;
- textureFormat = MAPSURF_8BIT | MT_8BIT_L8;
- break;
-
- case MESA_FORMAT_I8:
- t->intel.texelBytes = 1;
- textureFormat = MAPSURF_8BIT | MT_8BIT_I8;
- break;
-
- case MESA_FORMAT_A8:
- t->intel.texelBytes = 1;
- textureFormat = MAPSURF_8BIT | MT_8BIT_A8;
- break;
-
- case MESA_FORMAT_AL88:
- t->intel.texelBytes = 2;
- textureFormat = MAPSURF_16BIT | MT_16BIT_AY88;
- break;
-
- case MESA_FORMAT_RGB565:
- t->intel.texelBytes = 2;
- textureFormat = MAPSURF_16BIT | MT_16BIT_RGB565;
- break;
-
- case MESA_FORMAT_ARGB1555:
- t->intel.texelBytes = 2;
- textureFormat = MAPSURF_16BIT | MT_16BIT_ARGB1555;
- break;
-
- case MESA_FORMAT_ARGB4444:
- t->intel.texelBytes = 2;
- textureFormat = MAPSURF_16BIT | MT_16BIT_ARGB4444;
- break;
-
- case MESA_FORMAT_ARGB8888:
- t->intel.texelBytes = 4;
- textureFormat = MAPSURF_32BIT | MT_32BIT_ARGB8888;
- break;
-
- case MESA_FORMAT_YCBCR_REV:
- t->intel.texelBytes = 2;
- textureFormat = (MAPSURF_422 | MT_422_YCRCB_NORMAL);
- ss2 |= SS2_COLORSPACE_CONVERSION;
- break;
-
- case MESA_FORMAT_YCBCR:
- t->intel.texelBytes = 2;
- textureFormat = (MAPSURF_422 | MT_422_YCRCB_SWAPY);
- ss2 |= SS2_COLORSPACE_CONVERSION;
- break;
-
- case MESA_FORMAT_RGB_FXT1:
- case MESA_FORMAT_RGBA_FXT1:
- t->intel.texelBytes = 2;
- textureFormat = (MAPSURF_COMPRESSED | MT_COMPRESS_FXT1);
- break;
-
- case MESA_FORMAT_Z16:
- t->intel.texelBytes = 2;
- textureFormat = (MAPSURF_16BIT | MT_16BIT_L16);
- break;
-
- case MESA_FORMAT_RGBA_DXT1:
- case MESA_FORMAT_RGB_DXT1:
- /*
- * DXTn pitches are Width/4 * blocksize in bytes
- * for DXT1: blocksize=8 so Width/4*8 = Width * 2
- * for DXT3/5: blocksize=16 so Width/4*16 = Width * 4
- */
- t->intel.texelBytes = 2;
- textureFormat = (MAPSURF_COMPRESSED | MT_COMPRESS_DXT1);
- break;
-
- case MESA_FORMAT_RGBA_DXT3:
- t->intel.texelBytes = 4;
- textureFormat = (MAPSURF_COMPRESSED | MT_COMPRESS_DXT2_3);
- break;
-
- case MESA_FORMAT_RGBA_DXT5:
- t->intel.texelBytes = 4;
- textureFormat = (MAPSURF_COMPRESSED | MT_COMPRESS_DXT4_5);
- break;
-
-#if 0
- case MESA_FORMAT_Z24_S8:
- t->intel.texelBytes = 4;
- textureFormat = (MAPSURF_32BIT | MT_32BIT_xL824);
- break;
-#endif
-
- default:
- fprintf(stderr, "%s: bad image format %x\n", __FUNCTION__,
- baseImage->TexFormat->MesaFormat);
- abort();
- }
-
- switch (i915->intel.intelScreen->deviceID) {
- case PCI_CHIP_I945_G:
- case PCI_CHIP_I945_GM:
- case PCI_CHIP_I945_GME:
- case PCI_CHIP_G33_G:
- case PCI_CHIP_Q33_G:
- case PCI_CHIP_Q35_G:
- i945LayoutTextureImages( i915, tObj );
- break;
- default:
- i915LayoutTextureImages( i915, tObj );
- break;
- }
-
- t->Setup[I915_TEXREG_MS3] =
- (((tObj->Image[0][t->intel.base.firstLevel]->Height - 1) << MS3_HEIGHT_SHIFT) |
- ((tObj->Image[0][t->intel.base.firstLevel]->Width - 1) << MS3_WIDTH_SHIFT) |
- textureFormat |
- MS3_USE_FENCE_REGS);
-
- t->Setup[I915_TEXREG_MS4] =
- ((((t->intel.Pitch / 4) - 1) << MS4_PITCH_SHIFT) |
- MS4_CUBE_FACE_ENA_MASK |
- (((t->intel.max_level * 4)) << MS4_MAX_LOD_SHIFT) |
- ((tObj->Image[0][t->intel.base.firstLevel]->Depth - 1) << MS4_VOLUME_DEPTH_SHIFT));
-
- t->Setup[I915_TEXREG_SS2] &= ~(SS2_COLORSPACE_CONVERSION);
- t->Setup[I915_TEXREG_SS2] |= ss2;
-
- t->intel.dirty = I915_UPLOAD_TEX_ALL;
-
-}
-
-
-/* The i915 (and related graphics cores) do not support GL_CLAMP. The
- * Intel drivers for "other operating systems" implement GL_CLAMP as
- * GL_CLAMP_TO_EDGE, so the same is done here.
- */
-static GLuint translate_wrap_mode( GLenum wrap )
-{
- switch( wrap ) {
- case GL_REPEAT: return TEXCOORDMODE_WRAP;
- case GL_CLAMP: return TEXCOORDMODE_CLAMP_EDGE; /* not quite correct */
- case GL_CLAMP_TO_EDGE: return TEXCOORDMODE_CLAMP_EDGE;
- case GL_CLAMP_TO_BORDER: return TEXCOORDMODE_CLAMP_BORDER;
- case GL_MIRRORED_REPEAT: return TEXCOORDMODE_MIRROR;
- default: return TEXCOORDMODE_WRAP;
- }
-}
-
-
-/**
- */
-static void i915ImportTexObjState( struct gl_texture_object *texObj )
-{
- i915TextureObjectPtr t = (i915TextureObjectPtr)texObj->DriverData;
- int minFilt = 0, mipFilt = 0, magFilt = 0, shadow = 0;
-
- if(INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- switch (texObj->MinFilter) {
- case GL_NEAREST:
- minFilt = FILTER_NEAREST;
- mipFilt = MIPFILTER_NONE;
- break;
- case GL_LINEAR:
- minFilt = FILTER_LINEAR;
- mipFilt = MIPFILTER_NONE;
- break;
- case GL_NEAREST_MIPMAP_NEAREST:
- minFilt = FILTER_NEAREST;
- mipFilt = MIPFILTER_NEAREST;
- break;
- case GL_LINEAR_MIPMAP_NEAREST:
- minFilt = FILTER_LINEAR;
- mipFilt = MIPFILTER_NEAREST;
- break;
- case GL_NEAREST_MIPMAP_LINEAR:
- minFilt = FILTER_NEAREST;
- mipFilt = MIPFILTER_LINEAR;
- break;
- case GL_LINEAR_MIPMAP_LINEAR:
- minFilt = FILTER_LINEAR;
- mipFilt = MIPFILTER_LINEAR;
- break;
- default:
- break;
- }
-
- if ( texObj->MaxAnisotropy > 1.0 ) {
- minFilt = FILTER_ANISOTROPIC;
- magFilt = FILTER_ANISOTROPIC;
- }
- else {
- switch (texObj->MagFilter) {
- case GL_NEAREST:
- magFilt = FILTER_NEAREST;
- break;
- case GL_LINEAR:
- magFilt = FILTER_LINEAR;
- break;
- default:
- break;
- }
- }
-
- if (texObj->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB &&
- texObj->Target != GL_TEXTURE_3D) {
-
- shadow = SS2_SHADOW_ENABLE;
- shadow |= intel_translate_compare_func( texObj->CompareFunc );
-
- minFilt = FILTER_4X4_FLAT;
- magFilt = FILTER_4X4_FLAT;
- }
-
-
- t->Setup[I915_TEXREG_SS2] &= ~(SS2_MIN_FILTER_MASK |
- SS2_MIP_FILTER_MASK |
- SS2_MAG_FILTER_MASK |
- SS2_SHADOW_ENABLE |
- SS2_SHADOW_FUNC_MASK);
- t->Setup[I915_TEXREG_SS2] |= ((minFilt << SS2_MIN_FILTER_SHIFT) |
- (mipFilt << SS2_MIP_FILTER_SHIFT) |
- (magFilt << SS2_MAG_FILTER_SHIFT) |
- shadow);
-
- {
- GLuint ss3 = t->Setup[I915_TEXREG_SS3] & ~(SS3_TCX_ADDR_MODE_MASK |
- SS3_TCY_ADDR_MODE_MASK |
- SS3_TCZ_ADDR_MODE_MASK);
- GLenum ws = texObj->WrapS;
- GLenum wt = texObj->WrapT;
- GLenum wr = texObj->WrapR;
-
- t->refs_border_color = 0;
-
- if (texObj->Target == GL_TEXTURE_3D &&
- (texObj->MinFilter != GL_NEAREST ||
- texObj->MagFilter != GL_NEAREST)) {
-
- /* Try to mimic GL_CLAMP functionality a little better -
- * switch to CLAMP_TO_BORDER whenever a non-NEAREST filter is
- * in use. Only do this for 3D textures at the moment --
- * doing it universally would fix the conform texbc.c
- * failure, though.
- */
- if (ws == GL_CLAMP) ws = GL_CLAMP_TO_BORDER;
- if (wt == GL_CLAMP) wt = GL_CLAMP_TO_BORDER;
- if (wr == GL_CLAMP) wr = GL_CLAMP_TO_BORDER;
-
- /* 3D textures don't seem to respect the border color.
- * Fallback if there's ever a danger that they might refer to
- * it.
- */
- if (ws == GL_CLAMP_TO_BORDER) t->refs_border_color = 1;
- if (wt == GL_CLAMP_TO_BORDER) t->refs_border_color = 1;
- if (wr == GL_CLAMP_TO_BORDER) t->refs_border_color = 1;
- }
-
- ss3 |= translate_wrap_mode(ws) << SS3_TCX_ADDR_MODE_SHIFT;
- ss3 |= translate_wrap_mode(wt) << SS3_TCY_ADDR_MODE_SHIFT;
- ss3 |= translate_wrap_mode(wr) << SS3_TCZ_ADDR_MODE_SHIFT;
-
- if (ss3 != t->Setup[I915_TEXREG_SS3]) {
- t->intel.dirty = I915_UPLOAD_TEX_ALL;
- t->Setup[I915_TEXREG_SS3] = ss3;
- }
- }
-
- {
- const GLubyte *color = texObj->_BorderChan;
-
- t->Setup[I915_TEXREG_SS4] = INTEL_PACKCOLOR8888(color[0],color[1],
- color[2],color[3]);
- }
-}
-
-
-
-static void i915_import_tex_unit( i915ContextPtr i915,
- i915TextureObjectPtr t,
- GLuint unit )
-{
- GLuint state[I915_TEX_SETUP_SIZE];
-
- if(INTEL_DEBUG&DEBUG_TEXTURE)
- fprintf(stderr, "%s unit(%d)\n", __FUNCTION__, unit);
-
- if (i915->intel.CurrentTexObj[unit])
- i915->intel.CurrentTexObj[unit]->base.bound &= ~(1U << unit);
-
- i915->intel.CurrentTexObj[unit] = (intelTextureObjectPtr)t;
- t->intel.base.bound |= (1 << unit);
-
- if (t->intel.dirty & I915_UPLOAD_TEX(unit)) {
- i915ImportTexObjState( t->intel.base.tObj );
- t->intel.dirty &= ~I915_UPLOAD_TEX(unit);
- }
-
- state[I915_TEXREG_MS2] = t->intel.TextureOffset;
- state[I915_TEXREG_MS3] = t->Setup[I915_TEXREG_MS3];
- state[I915_TEXREG_MS4] = t->Setup[I915_TEXREG_MS4];
-
- state[I915_TEXREG_SS2] = (i915->state.Tex[unit][I915_TEXREG_SS2] &
- SS2_LOD_BIAS_MASK);
- state[I915_TEXREG_SS2] |= (t->Setup[I915_TEXREG_SS2] & ~SS2_LOD_BIAS_MASK);
-
- state[I915_TEXREG_SS3] = (i915->state.Tex[unit][I915_TEXREG_SS3] &
- SS3_NORMALIZED_COORDS);
- state[I915_TEXREG_SS3] |= (t->Setup[I915_TEXREG_SS3] &
- ~(SS3_NORMALIZED_COORDS|
- SS3_TEXTUREMAP_INDEX_MASK));
-
- state[I915_TEXREG_SS3] |= (unit<<SS3_TEXTUREMAP_INDEX_SHIFT);
-
- state[I915_TEXREG_SS4] = t->Setup[I915_TEXREG_SS4];
-
-
- if (memcmp(state, i915->state.Tex[unit], sizeof(state)) != 0) {
- I915_STATECHANGE( i915, I915_UPLOAD_TEX(unit) );
- memcpy(i915->state.Tex[unit], state, sizeof(state));
- }
-}
-
-
-
-static GLboolean enable_tex_common( GLcontext *ctx, GLuint unit )
-{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- struct gl_texture_object *tObj = texUnit->_Current;
- i915TextureObjectPtr t = (i915TextureObjectPtr)tObj->DriverData;
-
- if (0) fprintf(stderr, "%s %d\n", __FUNCTION__, unit);
-
- if (!(i915->state.active & I915_UPLOAD_TEX(unit))) {
- I915_ACTIVESTATE(i915, I915_UPLOAD_TEX(unit), GL_TRUE);
- }
-
- /* Fallback if there's a texture border */
- if ( tObj->Image[0][tObj->BaseLevel]->Border > 0 ) {
- return GL_FALSE;
- }
-
-
- /* Update state if this is a different texture object to last
- * time.
- */
- if (i915->intel.CurrentTexObj[unit] != &t->intel ||
- (t->intel.dirty & I915_UPLOAD_TEX(unit))) {
- i915_import_tex_unit( i915, t, unit);
- i915->tex_program.translated = 0;
- }
-
- return GL_TRUE;
-}
-
-static GLboolean enable_tex_rect( GLcontext *ctx, GLuint unit )
-{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- struct gl_texture_object *tObj = texUnit->_Current;
- i915TextureObjectPtr t = (i915TextureObjectPtr)tObj->DriverData;
- GLuint ss3 = i915->state.Tex[unit][I915_TEXREG_SS3];
-
- ss3 &= ~SS3_NORMALIZED_COORDS;
-
- if (ss3 != i915->state.Tex[unit][I915_TEXREG_SS3]) {
- I915_STATECHANGE(i915, I915_UPLOAD_TEX(unit));
- i915->state.Tex[unit][I915_TEXREG_SS3] = ss3;
- }
-
- /* Upload teximages (not pipelined)
- */
- if (t->intel.base.dirty_images[0]) {
- i915SetTexImages( i915, tObj );
- if (!intelUploadTexImages( &i915->intel, &t->intel, 0 )) {
- return GL_FALSE;
- }
- }
-
- return GL_TRUE;
-}
-
-
-static GLboolean enable_tex_2d( GLcontext *ctx, GLuint unit )
-{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- struct gl_texture_object *tObj = texUnit->_Current;
- i915TextureObjectPtr t = (i915TextureObjectPtr)tObj->DriverData;
- GLuint ss3 = i915->state.Tex[unit][I915_TEXREG_SS3];
-
- ss3 |= SS3_NORMALIZED_COORDS;
-
- if (ss3 != i915->state.Tex[unit][I915_TEXREG_SS3]) {
- I915_STATECHANGE(i915, I915_UPLOAD_TEX(unit));
- i915->state.Tex[unit][I915_TEXREG_SS3] = ss3;
- }
-
- /* Upload teximages (not pipelined)
- */
- if (t->intel.base.dirty_images[0]) {
- i915SetTexImages( i915, tObj );
- if (!intelUploadTexImages( &i915->intel, &t->intel, 0 )) {
- return GL_FALSE;
- }
- }
-
- return GL_TRUE;
-}
-
-static GLboolean enable_tex_cube( GLcontext *ctx, GLuint unit )
-{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- struct gl_texture_object *tObj = texUnit->_Current;
- i915TextureObjectPtr t = (i915TextureObjectPtr)tObj->DriverData;
- GLuint ss3 = i915->state.Tex[unit][I915_TEXREG_SS3];
- GLuint face;
-
- ss3 |= SS3_NORMALIZED_COORDS;
-
- if (ss3 != i915->state.Tex[unit][I915_TEXREG_SS3]) {
- I915_STATECHANGE(i915, I915_UPLOAD_TEX(unit));
- i915->state.Tex[unit][I915_TEXREG_SS3] = ss3;
- }
-
- /* Upload teximages (not pipelined)
- */
- if ( t->intel.base.dirty_images[0] || t->intel.base.dirty_images[1] ||
- t->intel.base.dirty_images[2] || t->intel.base.dirty_images[3] ||
- t->intel.base.dirty_images[4] || t->intel.base.dirty_images[5] ) {
- i915SetTexImages( i915, tObj );
- }
-
- /* upload (per face) */
- for (face = 0; face < 6; face++) {
- if (t->intel.base.dirty_images[face]) {
- if (!intelUploadTexImages( &i915->intel, &t->intel, face )) {
- return GL_FALSE;
- }
- }
- }
-
-
- return GL_TRUE;
-}
-
-static GLboolean enable_tex_3d( GLcontext *ctx, GLuint unit )
-{
- struct gl_texture_object *tObj = ctx->Texture.Unit[unit]._Current;
- i915TextureObjectPtr t = (i915TextureObjectPtr)tObj->DriverData;
-
- /* 3D textures on I915 seem to get bogus border colors, hence this
- * fallback:
- */
- if (t->refs_border_color)
- return GL_FALSE;
-
- return GL_TRUE;
-}
-
-
-
-
-static GLboolean disable_tex( GLcontext *ctx, GLuint unit )
-{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
-
- if (i915->state.active & I915_UPLOAD_TEX(unit)) {
- I915_ACTIVESTATE(i915, I915_UPLOAD_TEX(unit), GL_FALSE);
- }
-
- /* The old texture is no longer bound to this texture unit.
- * Mark it as such.
- */
- if ( i915->intel.CurrentTexObj[unit] != NULL ) {
- i915->intel.CurrentTexObj[unit]->base.bound &= ~(1U << 0);
- i915->intel.CurrentTexObj[unit] = NULL;
- }
-
- return GL_TRUE;
-}
-
-static GLboolean i915UpdateTexUnit( GLcontext *ctx, GLuint unit )
-{
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-
- if (texUnit->_ReallyEnabled &&
- INTEL_CONTEXT(ctx)->intelScreen->tex.size < 2048 * 1024)
- return GL_FALSE;
-
- switch (texUnit->_ReallyEnabled) {
- case TEXTURE_1D_BIT:
- case TEXTURE_2D_BIT:
- return (enable_tex_2d( ctx, unit ) &&
- enable_tex_common( ctx, unit ));
- case TEXTURE_RECT_BIT:
- return (enable_tex_rect( ctx, unit ) &&
- enable_tex_common( ctx, unit ));
- case TEXTURE_CUBE_BIT:
- return (enable_tex_cube( ctx, unit ) &&
- enable_tex_common( ctx, unit ));
- case TEXTURE_3D_BIT:
- return (enable_tex_2d( ctx, unit ) &&
- enable_tex_common( ctx, unit ) &&
- enable_tex_3d( ctx, unit));
- case 0:
- return disable_tex( ctx, unit );
- default:
- return GL_FALSE;
- }
-}
-
-
-void i915UpdateTextureState( intelContextPtr intel )
-{
- GLcontext *ctx = &intel->ctx;
- GLboolean ok = GL_TRUE;
- GLuint i;
-
- for (i = 0 ; i < I915_TEX_UNITS && ok ; i++) {
- ok = i915UpdateTexUnit( ctx, i );
- }
-
- FALLBACK( intel, I915_FALLBACK_TEXTURE, !ok );
-}
-
-
-