-/* $XFree86: xc/lib/GL/mesa/src/drv/r300/r300_texstate.c,v 1.3 2003/02/15 22:18:47 dawes Exp $ */
/*
Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
**************************************************************************/
-/*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+/**
+ * \file
+ *
+ * \author Keith Whitwell <keith@tungstengraphics.com>
+ *
+ * \todo Enable R300 texture tiling code?
*/
-#include "glheader.h"
-#include "imports.h"
-#include "context.h"
-#include "macros.h"
-#include "texformat.h"
-#include "enums.h"
+#include "main/glheader.h"
+#include "main/imports.h"
+#include "main/context.h"
+#include "main/macros.h"
+#include "main/texformat.h"
+#include "main/teximage.h"
+#include "main/texobj.h"
+#include "main/enums.h"
#include "r300_context.h"
#include "r300_state.h"
#include "r300_ioctl.h"
-#include "radeon_ioctl.h"
+#include "radeon_mipmap_tree.h"
+#include "radeon_cs.h"
#include "r300_tex.h"
#include "r300_reg.h"
-
+#include "radeon_buffer.h"
#define VALID_FORMAT(f) ( ((f) <= MESA_FORMAT_RGBA_DXT5 \
|| ((f) >= MESA_FORMAT_RGBA_FLOAT32 && \
(f) <= MESA_FORMAT_INTENSITY_FLOAT16)) \
- && tx_table_le[f].flag )
+ && tx_table[f].flag )
#define _ASSIGN(entry, format) \
[ MESA_FORMAT_ ## entry ] = { format, 0, 1}
-static const struct {
- GLuint format, filter, flag;
-} tx_table_be[] = {
- /*
- * Note that the _REV formats are the same as the non-REV formats.
- * This is because the REV and non-REV formats are identical as a
- * byte string, but differ when accessed as 16-bit or 32-bit words
- * depending on the endianness of the host. Since the textures are
- * transferred to the R300 as a byte string (i.e. without any
- * byte-swapping), the R300 sees the REV and non-REV formats
- * identically. -- paulus
- */
- _ASSIGN(RGBA8888, R300_EASY_TX_FORMAT(Z, Y, X, W, W8Z8Y8X8)),
- _ASSIGN(RGBA8888_REV, R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8)),
- _ASSIGN(ARGB8888, R300_EASY_TX_FORMAT(W, Z, Y, X, W8Z8Y8X8)),
- _ASSIGN(ARGB8888_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8)),
- _ASSIGN(RGB888, 0xffffffff),
- _ASSIGN(RGB565, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5)),
- _ASSIGN(RGB565_REV, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5)),
- _ASSIGN(ARGB4444, R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4)),
- _ASSIGN(ARGB4444_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4)),
- _ASSIGN(ARGB1555, R300_EASY_TX_FORMAT(X, Y, Z, W, W1Z5Y5X5)),
- _ASSIGN(ARGB1555_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W1Z5Y5X5)),
- _ASSIGN(AL88, R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8)),
- _ASSIGN(AL88_REV, R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8)),
- _ASSIGN(RGB332, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z3Y3X2)),
- _ASSIGN(A8, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X8)),
- _ASSIGN(L8, R300_EASY_TX_FORMAT(X, X, X, ONE, X8)),
- _ASSIGN(I8, R300_EASY_TX_FORMAT(X, X, X, X, X8)),
- _ASSIGN(CI8, R300_EASY_TX_FORMAT(X, X, X, X, X8)),
- _ASSIGN(YCBCR, R300_EASY_TX_FORMAT(X, Y, Z, ONE, G8R8_G8B8)|R300_TX_FORMAT_YUV_MODE ),
- _ASSIGN(YCBCR_REV, R300_EASY_TX_FORMAT(X, Y, Z, ONE, G8R8_G8B8)|R300_TX_FORMAT_YUV_MODE),
- _ASSIGN(RGB_DXT1, R300_EASY_TX_FORMAT(X, Y, Z, ONE, DXT1)),
- _ASSIGN(RGBA_DXT1, R300_EASY_TX_FORMAT(X, Y, Z, W, DXT1)),
- _ASSIGN(RGBA_DXT3, R300_EASY_TX_FORMAT(X, Y, Z, W, DXT3)),
- _ASSIGN(RGBA_DXT5, R300_EASY_TX_FORMAT(Y, Z, W, X, DXT5)),
- _ASSIGN(RGBA_FLOAT32, R300_EASY_TX_FORMAT(Z, Y, X, W, FL_R32G32B32A32)),
- _ASSIGN(RGBA_FLOAT16, R300_EASY_TX_FORMAT(Z, Y, X, W, FL_R16G16B16A16)),
- _ASSIGN(RGB_FLOAT32, 0xffffffff),
- _ASSIGN(RGB_FLOAT16, 0xffffffff),
- _ASSIGN(ALPHA_FLOAT32, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, FL_I32)),
- _ASSIGN(ALPHA_FLOAT16, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, FL_I16)),
- _ASSIGN(LUMINANCE_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, ONE, FL_I32)),
- _ASSIGN(LUMINANCE_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, ONE, FL_I16)),
- _ASSIGN(LUMINANCE_ALPHA_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, Y, FL_I32A32)),
- _ASSIGN(LUMINANCE_ALPHA_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, Y, FL_I16A16)),
- _ASSIGN(INTENSITY_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, X, FL_I32)),
- _ASSIGN(INTENSITY_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, X, FL_I16)),
- };
-
-static const struct {
+/*
+ * Note that the _REV formats are the same as the non-REV formats. This is
+ * because the REV and non-REV formats are identical as a byte string, but
+ * differ when accessed as 16-bit or 32-bit words depending on the endianness of
+ * the host. Since the textures are transferred to the R300 as a byte string
+ * (i.e. without any byte-swapping), the R300 sees the REV and non-REV formats
+ * identically. -- paulus
+ */
+
+static const struct tx_table {
GLuint format, filter, flag;
-} tx_table_le[] = {
- _ASSIGN(RGBA8888, R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8)),
- _ASSIGN(RGBA8888_REV, R300_EASY_TX_FORMAT(Z, Y, X, W, W8Z8Y8X8)),
- _ASSIGN(ARGB8888, R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8)),
- _ASSIGN(ARGB8888_REV, R300_EASY_TX_FORMAT(W, Z, Y, X, W8Z8Y8X8)),
- _ASSIGN(RGB888, 0xffffffff),
- _ASSIGN(RGB565, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5)),
- _ASSIGN(RGB565_REV, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5)),
- _ASSIGN(ARGB4444, R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4)),
- _ASSIGN(ARGB4444_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4)),
- _ASSIGN(ARGB1555, R300_EASY_TX_FORMAT(X, Y, Z, W, W1Z5Y5X5)),
- _ASSIGN(ARGB1555_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W1Z5Y5X5)),
- _ASSIGN(AL88, R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8)),
- _ASSIGN(AL88_REV, R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8)),
- _ASSIGN(RGB332, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z3Y3X2)),
- _ASSIGN(A8, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X8)),
- _ASSIGN(L8, R300_EASY_TX_FORMAT(X, X, X, ONE, X8)),
- _ASSIGN(I8, R300_EASY_TX_FORMAT(X, X, X, X, X8)),
- _ASSIGN(CI8, R300_EASY_TX_FORMAT(X, X, X, X, X8)),
- _ASSIGN(YCBCR, R300_EASY_TX_FORMAT(X, Y, Z, ONE, G8R8_G8B8)|R300_TX_FORMAT_YUV_MODE ),
- _ASSIGN(YCBCR_REV, R300_EASY_TX_FORMAT(X, Y, Z, ONE, G8R8_G8B8)|R300_TX_FORMAT_YUV_MODE),
- _ASSIGN(RGB_DXT1, R300_EASY_TX_FORMAT(X, Y, Z, ONE, DXT1)),
- _ASSIGN(RGBA_DXT1, R300_EASY_TX_FORMAT(X, Y, Z, W, DXT1)),
- _ASSIGN(RGBA_DXT3, R300_EASY_TX_FORMAT(X, Y, Z, W, DXT3)),
- _ASSIGN(RGBA_DXT5, R300_EASY_TX_FORMAT(Y, Z, W, X, DXT5)),
- _ASSIGN(RGBA_FLOAT32, R300_EASY_TX_FORMAT(Z, Y, X, W, FL_R32G32B32A32)),
- _ASSIGN(RGBA_FLOAT16, R300_EASY_TX_FORMAT(Z, Y, X, W, FL_R16G16B16A16)),
- _ASSIGN(RGB_FLOAT32, 0xffffffff),
- _ASSIGN(RGB_FLOAT16, 0xffffffff),
- _ASSIGN(ALPHA_FLOAT32, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, FL_I32)),
- _ASSIGN(ALPHA_FLOAT16, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, FL_I16)),
- _ASSIGN(LUMINANCE_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, ONE, FL_I32)),
- _ASSIGN(LUMINANCE_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, ONE, FL_I16)),
- _ASSIGN(LUMINANCE_ALPHA_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, Y, FL_I32A32)),
- _ASSIGN(LUMINANCE_ALPHA_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, Y, FL_I16A16)),
- _ASSIGN(INTENSITY_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, X, FL_I32)),
- _ASSIGN(INTENSITY_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, X, FL_I16)),
- };
+} tx_table[] = {
+ /* *INDENT-OFF* */
+#ifdef MESA_LITTLE_ENDIAN
+ _ASSIGN(RGBA8888, R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8)),
+ _ASSIGN(RGBA8888_REV, R300_EASY_TX_FORMAT(Z, Y, X, W, W8Z8Y8X8)),
+ _ASSIGN(ARGB8888, R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8)),
+ _ASSIGN(ARGB8888_REV, R300_EASY_TX_FORMAT(W, Z, Y, X, W8Z8Y8X8)),
+#else
+ _ASSIGN(RGBA8888, R300_EASY_TX_FORMAT(Z, Y, X, W, W8Z8Y8X8)),
+ _ASSIGN(RGBA8888_REV, R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8)),
+ _ASSIGN(ARGB8888, R300_EASY_TX_FORMAT(W, Z, Y, X, W8Z8Y8X8)),
+ _ASSIGN(ARGB8888_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8)),
+#endif
+ _ASSIGN(RGB888, R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8)),
+ _ASSIGN(RGB565, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5)),
+ _ASSIGN(RGB565_REV, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5)),
+ _ASSIGN(ARGB4444, R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4)),
+ _ASSIGN(ARGB4444_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4)),
+ _ASSIGN(ARGB1555, R300_EASY_TX_FORMAT(X, Y, Z, W, W1Z5Y5X5)),
+ _ASSIGN(ARGB1555_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W1Z5Y5X5)),
+ _ASSIGN(AL88, R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8)),
+ _ASSIGN(AL88_REV, R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8)),
+ _ASSIGN(RGB332, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z3Y3X2)),
+ _ASSIGN(A8, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X8)),
+ _ASSIGN(L8, R300_EASY_TX_FORMAT(X, X, X, ONE, X8)),
+ _ASSIGN(I8, R300_EASY_TX_FORMAT(X, X, X, X, X8)),
+ _ASSIGN(CI8, R300_EASY_TX_FORMAT(X, X, X, X, X8)),
+ _ASSIGN(YCBCR, R300_EASY_TX_FORMAT(X, Y, Z, ONE, G8R8_G8B8) | R300_TX_FORMAT_YUV_MODE),
+ _ASSIGN(YCBCR_REV, R300_EASY_TX_FORMAT(X, Y, Z, ONE, G8R8_G8B8) | R300_TX_FORMAT_YUV_MODE),
+ _ASSIGN(RGB_DXT1, R300_EASY_TX_FORMAT(X, Y, Z, ONE, DXT1)),
+ _ASSIGN(RGBA_DXT1, R300_EASY_TX_FORMAT(X, Y, Z, W, DXT1)),
+ _ASSIGN(RGBA_DXT3, R300_EASY_TX_FORMAT(X, Y, Z, W, DXT3)),
+ _ASSIGN(RGBA_DXT5, R300_EASY_TX_FORMAT(Y, Z, W, X, DXT5)),
+ _ASSIGN(RGBA_FLOAT32, R300_EASY_TX_FORMAT(Z, Y, X, W, FL_R32G32B32A32)),
+ _ASSIGN(RGBA_FLOAT16, R300_EASY_TX_FORMAT(Z, Y, X, W, FL_R16G16B16A16)),
+ _ASSIGN(RGB_FLOAT32, 0xffffffff),
+ _ASSIGN(RGB_FLOAT16, 0xffffffff),
+ _ASSIGN(ALPHA_FLOAT32, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, FL_I32)),
+ _ASSIGN(ALPHA_FLOAT16, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, FL_I16)),
+ _ASSIGN(LUMINANCE_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, ONE, FL_I32)),
+ _ASSIGN(LUMINANCE_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, ONE, FL_I16)),
+ _ASSIGN(LUMINANCE_ALPHA_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, Y, FL_I32A32)),
+ _ASSIGN(LUMINANCE_ALPHA_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, Y, FL_I16A16)),
+ _ASSIGN(INTENSITY_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, X, FL_I32)),
+ _ASSIGN(INTENSITY_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, X, FL_I16)),
+ _ASSIGN(Z16, R300_EASY_TX_FORMAT(X, X, X, X, X16)),
+ _ASSIGN(Z24_S8, R300_EASY_TX_FORMAT(X, X, X, X, X24_Y8)),
+ _ASSIGN(Z32, R300_EASY_TX_FORMAT(X, X, X, X, X32)),
+ /* *INDENT-ON* */
+};
#undef _ASSIGN
+void r300SetDepthTexMode(struct gl_texture_object *tObj)
+{
+ static const GLuint formats[3][3] = {
+ {
+ R300_EASY_TX_FORMAT(X, X, X, ONE, X16),
+ R300_EASY_TX_FORMAT(X, X, X, X, X16),
+ R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X16),
+ },
+ {
+ R300_EASY_TX_FORMAT(X, X, X, ONE, X24_Y8),
+ R300_EASY_TX_FORMAT(X, X, X, X, X24_Y8),
+ R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X24_Y8),
+ },
+ {
+ R300_EASY_TX_FORMAT(X, X, X, ONE, X32),
+ R300_EASY_TX_FORMAT(X, X, X, X, X32),
+ R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X32),
+ },
+ };
+ const GLuint *format;
+ radeonTexObjPtr t;
+
+ if (!tObj)
+ return;
+
+ t = radeon_tex_obj(tObj);
+
+ switch (tObj->Image[0][tObj->BaseLevel]->TexFormat->MesaFormat) {
+ case MESA_FORMAT_Z16:
+ format = formats[0];
+ break;
+ case MESA_FORMAT_Z24_S8:
+ format = formats[1];
+ break;
+ case MESA_FORMAT_Z32:
+ format = formats[2];
+ break;
+ default:
+ /* Error...which should have already been caught by higher
+ * levels of Mesa.
+ */
+ ASSERT(0);
+ return;
+ }
+
+ switch (tObj->DepthMode) {
+ case GL_LUMINANCE:
+ t->pp_txformat = format[0];
+ break;
+ case GL_INTENSITY:
+ t->pp_txformat = format[1];
+ break;
+ case GL_ALPHA:
+ t->pp_txformat = format[2];
+ break;
+ default:
+ /* Error...which should have already been caught by higher
+ * levels of Mesa.
+ */
+ ASSERT(0);
+ return;
+ }
+}
+
/**
- * This function computes the number of bytes of storage needed for
- * the given texture object (all mipmap levels, all cube faces).
- * The \c image[face][level].x/y/width/height parameters for upload/blitting
- * are computed here. \c filter, \c format, etc. will be set here
- * too.
+ * Compute the cached hardware register values for the given texture object.
*
* \param rmesa Context pointer
- * \param tObj GL texture object whose images are to be posted to
- * hardware state.
+ * \param t the r300 texture object
*/
-static void r300SetTexImages(r300ContextPtr rmesa,
- struct gl_texture_object *tObj)
+static void setup_hardware_state(r300ContextPtr rmesa, radeonTexObj *t)
{
- r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
- const struct gl_texture_image *baseImage =
- tObj->Image[0][tObj->BaseLevel];
- GLint curOffset, blitWidth;
- GLint i, texelBytes;
- GLint numLevels;
- GLint log2Width, log2Height, log2Depth;
- const GLuint ui = 1;
- const GLubyte littleEndian = *((const GLubyte *) &ui);
-
- /* Set the hardware texture format
- */
- if (VALID_FORMAT(baseImage->TexFormat->MesaFormat)) {
- if (littleEndian) {
- t->format =
- tx_table_le[baseImage->TexFormat->MesaFormat].format;
- t->filter |=
- tx_table_le[baseImage->TexFormat->MesaFormat].filter;
- }
- else {
- t->format =
- tx_table_be[baseImage->TexFormat->MesaFormat].format;
- t->filter |=
- tx_table_be[baseImage->TexFormat->MesaFormat].filter;
+ const struct gl_texture_image *firstImage =
+ t->base.Image[0][t->mt->firstLevel];
+
+ if (!t->image_override
+ && VALID_FORMAT(firstImage->TexFormat->MesaFormat)) {
+ if (firstImage->TexFormat->BaseFormat == GL_DEPTH_COMPONENT) {
+ r300SetDepthTexMode(&t->base);
+ } else {
+ t->pp_txformat = tx_table[firstImage->TexFormat->MesaFormat].format;
}
- } else {
+
+ t->pp_txfilter |= tx_table[firstImage->TexFormat->MesaFormat].filter;
+ } else if (!t->image_override) {
_mesa_problem(NULL, "unexpected texture format in %s",
__FUNCTION__);
return;
}
- texelBytes = baseImage->TexFormat->TexelBytes;
-
- /* Compute which mipmap levels we really want to send to the hardware.
- */
- driCalculateTextureFirstLastLevel((driTextureObject *) t);
- log2Width = tObj->Image[0][t->base.firstLevel]->WidthLog2;
- log2Height = tObj->Image[0][t->base.firstLevel]->HeightLog2;
- log2Depth = tObj->Image[0][t->base.firstLevel]->DepthLog2;
-
- numLevels = t->base.lastLevel - t->base.firstLevel + 1;
-
- assert(numLevels <= RADEON_MAX_TEXTURE_LEVELS);
-
- /* Calculate mipmap offsets and dimensions for blitting (uploading)
- * The idea is that we lay out the mipmap levels within a block of
- * memory organized as a rectangle of width BLIT_WIDTH_BYTES.
- */
- curOffset = 0;
- blitWidth = R300_BLIT_WIDTH_BYTES;
t->tile_bits = 0;
- /* figure out if this texture is suitable for tiling. */
-#if 0 /* Disabled for now */
- if (texelBytes) {
- if (rmesa->texmicrotile && (tObj->Target != GL_TEXTURE_RECTANGLE_NV) &&
- /* texrect might be able to use micro tiling too in theory? */
- (baseImage->Height > 1)) {
-
- /* allow 32 (bytes) x 1 mip (which will use two times the space
- the non-tiled version would use) max if base texture is large enough */
- if ((numLevels == 1) ||
- (((baseImage->Width * texelBytes / baseImage->Height) <= 32) &&
- (baseImage->Width * texelBytes > 64)) ||
- ((baseImage->Width * texelBytes / baseImage->Height) <= 16)) {
- t->tile_bits |= R300_TXO_MICRO_TILE;
- }
- }
-
- if (tObj->Target != GL_TEXTURE_RECTANGLE_NV) {
- /* we can set macro tiling even for small textures, they will be untiled anyway */
- t->tile_bits |= R300_TXO_MACRO_TILE;
- }
+ if (t->base.Target == GL_TEXTURE_CUBE_MAP)
+ t->pp_txformat |= R300_TX_FORMAT_CUBIC_MAP;
+ if (t->base.Target == GL_TEXTURE_3D)
+ t->pp_txformat |= R300_TX_FORMAT_3D;
+
+ t->pp_txsize = (((firstImage->Width - 1) << R300_TX_WIDTHMASK_SHIFT)
+ | ((firstImage->Height - 1) << R300_TX_HEIGHTMASK_SHIFT)
+ | ((firstImage->DepthLog2) << R300_TX_DEPTHMASK_SHIFT)
+ | ((t->mt->lastLevel - t->mt->firstLevel) << R300_TX_MAX_MIP_LEVEL_SHIFT));
+
+ if (t->base.Target == GL_TEXTURE_RECTANGLE_NV) {
+ unsigned int align = (64 / t->mt->bpp) - 1;
+ t->pp_txsize |= R300_TX_SIZE_TXPITCH_EN;
+ if (!t->image_override)
+ t->pp_txpitch = ((firstImage->Width + align) & ~align) - 1;
}
-#endif
- for (i = 0; i < numLevels; i++) {
- const struct gl_texture_image *texImage;
- GLuint size;
-
- texImage = tObj->Image[0][i + t->base.firstLevel];
- if (!texImage)
- break;
-
- /* find image size in bytes */
- if (texImage->IsCompressed) {
- if ((t->format & R300_TX_FORMAT_DXT1) == R300_TX_FORMAT_DXT1) {
- // fprintf(stderr,"DXT 1 %d %08X\n", texImage->Width, t->format);
- if ((texImage->Width + 3) < 8) /* width one block */
- size = texImage->CompressedSize * 4;
- else if ((texImage->Width + 3) < 16)
- size = texImage->CompressedSize * 2;
- else size = texImage->CompressedSize;
- }
- else /* DXT3/5, 16 bytes per block */
- {
- WARN_ONCE("DXT 3/5 suffers from multitexturing problems!\n");
- // fprintf(stderr,"DXT 3/5 %d\n", texImage->Width);
- if ((texImage->Width + 3) < 8)
- size = texImage->CompressedSize * 2;
- else size = texImage->CompressedSize;
- }
-
- } else if (tObj->Target == GL_TEXTURE_RECTANGLE_NV) {
- size = ((texImage->Width * texelBytes + 63) & ~63) * texImage->Height;
- blitWidth = 64 / texelBytes;
- } else if (t->tile_bits & R300_TXO_MICRO_TILE) {
- /* tile pattern is 16 bytes x2. mipmaps stay 32 byte aligned,
- though the actual offset may be different (if texture is less than
- 32 bytes width) to the untiled case */
- int w = (texImage->Width * texelBytes * 2 + 31) & ~31;
- size = (w * ((texImage->Height + 1) / 2)) * texImage->Depth;
- blitWidth = MAX2(texImage->Width, 64 / texelBytes);
- } else {
- int w = (texImage->Width * texelBytes + 31) & ~31;
- size = w * texImage->Height * texImage->Depth;
- blitWidth = MAX2(texImage->Width, 64 / texelBytes);
- }
- assert(size > 0);
-
- if(0)
- fprintf(stderr, "w=%d h=%d d=%d tb=%d intFormat=%d\n", texImage->Width, texImage->Height,
- texImage->Depth, texImage->TexFormat->TexelBytes,
- texImage->InternalFormat);
-
- /* Align to 32-byte offset. It is faster to do this unconditionally
- * (no branch penalty).
- */
-
- curOffset = (curOffset + 0x1f) & ~0x1f;
-
- if (texelBytes) {
- t->image[0][i].x = curOffset; /* fix x and y coords up later together with offset */
- t->image[0][i].y = 0;
- t->image[0][i].width = MIN2(size / texelBytes, blitWidth);
- t->image[0][i].height = (size / texelBytes) / t->image[0][i].width;
- } else {
- t->image[0][i].x = curOffset % R300_BLIT_WIDTH_BYTES;
- t->image[0][i].y = curOffset / R300_BLIT_WIDTH_BYTES;
- t->image[0][i].width = MIN2(size, R300_BLIT_WIDTH_BYTES);
- t->image[0][i].height = size / t->image[0][i].width;
- }
-#if 0
- /* for debugging only and only applicable to non-rectangle targets */
- assert(size % t->image[0][i].width == 0);
- assert(t->image[0][i].x == 0
- || (size < R300_BLIT_WIDTH_BYTES
- && t->image[0][i].height == 1));
-#endif
-
- if (0)
- fprintf(stderr,
- "level %d: %dx%d x=%d y=%d w=%d h=%d size=%d at %d\n",
- i, texImage->Width, texImage->Height,
- t->image[0][i].x, t->image[0][i].y,
- t->image[0][i].width, t->image[0][i].height,
- size, curOffset);
-
- curOffset += size;
-
- }
-
- /* Align the total size of texture memory block.
- */
- t->base.totalSize =
- (curOffset + RADEON_OFFSET_MASK) & ~RADEON_OFFSET_MASK;
-
- /* Setup remaining cube face blits, if needed */
- if (tObj->Target == GL_TEXTURE_CUBE_MAP) {
- GLuint face;
- for (face = 1; face < 6; face++) {
- for (i = 0; i < numLevels; i++) {
- t->image[face][i].x = t->image[0][i].x;
- t->image[face][i].y = t->image[0][i].y;
- t->image[face][i].width = t->image[0][i].width;
- t->image[face][i].height =
- t->image[0][i].height;
- }
- }
- t->base.totalSize *= 6; /* total texmem needed */
- }
-
- /* Hardware state:
- */
-#if 0
- t->format &= ~(R200_TXFORMAT_WIDTH_MASK |
- R200_TXFORMAT_HEIGHT_MASK |
- R200_TXFORMAT_CUBIC_MAP_ENABLE |
- R200_TXFORMAT_F5_WIDTH_MASK |
- R200_TXFORMAT_F5_HEIGHT_MASK);
- t->format |= ((log2Width << R200_TXFORMAT_WIDTH_SHIFT) |
- (log2Height << R200_TXFORMAT_HEIGHT_SHIFT));
-#endif
-#if 0
- t->format_x &= ~(R200_DEPTH_LOG2_MASK | R200_TEXCOORD_MASK);
- if (tObj->Target == GL_TEXTURE_3D) {
- t->format_x |= (log2Depth << R200_DEPTH_LOG2_SHIFT);
- t->format_x |= R200_TEXCOORD_VOLUME;
- } else if (tObj->Target == GL_TEXTURE_CUBE_MAP) {
- ASSERT(log2Width == log2Height);
- t->format |= R300_TX_FORMAT_CUBIC_MAP;
-
- t->format_x |= R200_TEXCOORD_CUBIC_ENV;
- t->pp_cubic_faces = ((log2Width << R200_FACE_WIDTH_1_SHIFT) |
- (log2Height << R200_FACE_HEIGHT_1_SHIFT) |
- (log2Width << R200_FACE_WIDTH_2_SHIFT) |
- (log2Height << R200_FACE_HEIGHT_2_SHIFT) |
- (log2Width << R200_FACE_WIDTH_3_SHIFT) |
- (log2Height << R200_FACE_HEIGHT_3_SHIFT) |
- (log2Width << R200_FACE_WIDTH_4_SHIFT) |
- (log2Height << R200_FACE_HEIGHT_4_SHIFT));
- }
-#endif
- if (tObj->Target == GL_TEXTURE_CUBE_MAP) {
- ASSERT(log2Width == log2Height);
- t->format |= R300_TX_FORMAT_CUBIC_MAP;
+ if (rmesa->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) {
+ if (firstImage->Width > 2048)
+ t->pp_txpitch |= R500_TXWIDTH_BIT11;
+ if (firstImage->Height > 2048)
+ t->pp_txpitch |= R500_TXHEIGHT_BIT11;
}
-
- t->size = (((tObj->Image[0][t->base.firstLevel]->Width - 1) << R300_TX_WIDTHMASK_SHIFT)
- |((tObj->Image[0][t->base.firstLevel]->Height - 1) << R300_TX_HEIGHTMASK_SHIFT))
- |((numLevels - 1) << R300_TX_MAX_MIP_LEVEL_SHIFT);
-
- /* Only need to round to nearest 32 for textures, but the blitter
- * requires 64-byte aligned pitches, and we may/may not need the
- * blitter. NPOT only!
- */
- if (baseImage->IsCompressed) {
- t->pitch =
- (tObj->Image[0][t->base.firstLevel]->Width + 63) & ~(63);
- }
- else if (tObj->Target == GL_TEXTURE_RECTANGLE_NV) {
- unsigned int align = blitWidth - 1;
- t->pitch = ((tObj->Image[0][t->base.firstLevel]->Width *
- texelBytes) + 63) & ~(63);
- t->size |= R300_TX_SIZE_TXPITCH_EN;
- t->pitch_reg = (((tObj->Image[0][t->base.firstLevel]->Width) + align) & ~align) - 1;
- }
- else {
- t->pitch =
- ((tObj->Image[0][t->base.firstLevel]->Width *
- texelBytes) + 63) & ~(63);
- }
-
- t->dirty_state = TEX_ALL;
-
- /* FYI: r300UploadTexImages( rmesa, t ) used to be called here */
}
-
-/* ================================================================
- * Texture unit state management
+/**
+ * Ensure the given texture is ready for rendering.
+ *
+ * Mostly this means populating the texture object's mipmap tree.
*/
-
-static GLboolean enable_tex_2d(GLcontext * ctx, int unit)
+static GLboolean r300_validate_texture(GLcontext * ctx, struct gl_texture_object *texObj)
{
r300ContextPtr rmesa = R300_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- struct gl_texture_object *tObj = texUnit->_Current;
- r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
+ radeonTexObj *t = radeon_tex_obj(texObj);
- ASSERT(tObj->Target == GL_TEXTURE_2D || tObj->Target == GL_TEXTURE_1D);
+ if (!radeon_validate_texture_miptree(ctx, texObj))
+ return GL_FALSE;
- if (t->base.dirty_images[0]) {
- R300_FIREVERTICES(rmesa);
- r300SetTexImages(rmesa, tObj);
- r300UploadTexImages(rmesa, (r300TexObjPtr) tObj->DriverData, 0);
- if (!t->base.memBlock)
- return GL_FALSE;
- }
+ /* Configure the hardware registers (more precisely, the cached version
+ * of the hardware registers). */
+ setup_hardware_state(rmesa, t);
+ t->validated = GL_TRUE;
return GL_TRUE;
}
-#if ENABLE_HW_3D_TEXTURE
-static GLboolean enable_tex_3d(GLcontext * ctx, int unit)
+
+/**
+ * Ensure all enabled and complete textures are uploaded along with any buffers being used.
+ */
+GLboolean r300ValidateBuffers(GLcontext * ctx)
{
r300ContextPtr rmesa = R300_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- struct gl_texture_object *tObj = texUnit->_Current;
- r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
-
- /* Need to load the 3d images associated with this unit.
- */
-#if 0
- if (t->format & R200_TXFORMAT_NON_POWER2) {
- t->format &= ~R200_TXFORMAT_NON_POWER2;
- t->base.dirty_images[0] = ~0;
+ struct radeon_cs_space_check bos[16];
+ struct radeon_renderbuffer *rrb;
+ int num_bo = 0;
+ int i;
+ int flushed = 0, ret;
+again:
+ num_bo = 0;
+
+ rrb = radeon_get_colorbuffer(&rmesa->radeon);
+ /* color buffer */
+ if (rrb && rrb->bo) {
+ bos[num_bo].bo = rrb->bo;
+ bos[num_bo].read_domains = 0;
+ bos[num_bo].write_domain = RADEON_GEM_DOMAIN_VRAM;
+ bos[num_bo].new_accounted = 0;
+ num_bo++;
}
-#endif
- ASSERT(tObj->Target == GL_TEXTURE_3D);
- /* R100 & R200 do not support mipmaps for 3D textures.
- */
- if ((tObj->MinFilter != GL_NEAREST) && (tObj->MinFilter != GL_LINEAR)) {
- return GL_FALSE;
+ /* depth buffer */
+ rrb = radeon_get_depthbuffer(&rmesa->radeon);
+ /* color buffer */
+ if (rrb && rrb->bo) {
+ bos[num_bo].bo = rrb->bo;
+ bos[num_bo].read_domains = 0;
+ bos[num_bo].write_domain = RADEON_GEM_DOMAIN_VRAM;
+ bos[num_bo].new_accounted = 0;
+ num_bo++;
}
+
+ for (i = 0; i < ctx->Const.MaxTextureImageUnits; ++i) {
+ radeonTexObj *t;
- if (t->base.dirty_images[0]) {
- R300_FIREVERTICES(rmesa);
- r300SetTexImages(rmesa, tObj);
- r300UploadTexImages(rmesa, (r300TexObjPtr) tObj->DriverData, 0);
- if (!t->base.memBlock)
- return GL_FALSE;
- }
-
- return GL_TRUE;
-}
-#endif
-
-static GLboolean enable_tex_cube(GLcontext * ctx, int unit)
-{
- r300ContextPtr rmesa = R300_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- struct gl_texture_object *tObj = texUnit->_Current;
- r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
- GLuint face;
-
- /* Need to load the 2d images associated with this unit.
- */
-#if 0
- if (t->format & R200_TXFORMAT_NON_POWER2) {
- t->format &= ~R200_TXFORMAT_NON_POWER2;
- for (face = 0; face < 6; face++)
- t->base.dirty_images[face] = ~0;
- }
-#endif
- ASSERT(tObj->Target == GL_TEXTURE_CUBE_MAP);
-
- if (t->base.dirty_images[0] || t->base.dirty_images[1] ||
- t->base.dirty_images[2] || t->base.dirty_images[3] ||
- t->base.dirty_images[4] || t->base.dirty_images[5]) {
- /* flush */
- R300_FIREVERTICES(rmesa);
- /* layout memory space, once for all faces */
- r300SetTexImages(rmesa, tObj);
- }
+ if (!ctx->Texture.Unit[i]._ReallyEnabled)
+ continue;
- /* upload (per face) */
- for (face = 0; face < 6; face++) {
- if (t->base.dirty_images[face]) {
- r300UploadTexImages(rmesa,
- (r300TexObjPtr) tObj->DriverData,
- face);
+ if (!r300_validate_texture(ctx, ctx->Texture.Unit[i]._Current)) {
+ _mesa_warning(ctx,
+ "failed to validate texture for unit %d.\n",
+ i);
}
+ t = radeon_tex_obj(ctx->Texture.Unit[i]._Current);
+ bos[num_bo].bo = t->mt->bo;
+ bos[num_bo].read_domains = RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM;
+ bos[num_bo].write_domain = 0;
+ bos[num_bo].new_accounted = 0;
+ num_bo++;
}
- if (!t->base.memBlock) {
- /* texmem alloc failed, use s/w fallback */
+ ret = radeon_cs_space_check(rmesa->radeon.cmdbuf.cs, bos, num_bo);
+ if (ret == RADEON_CS_SPACE_OP_TO_BIG)
return GL_FALSE;
- }
-
- return GL_TRUE;
-}
-
-static GLboolean enable_tex_rect(GLcontext * ctx, int unit)
-{
- r300ContextPtr rmesa = R300_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- struct gl_texture_object *tObj = texUnit->_Current;
- r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
-
- ASSERT(tObj->Target == GL_TEXTURE_RECTANGLE_NV);
-
- if (t->base.dirty_images[0]) {
- R300_FIREVERTICES(rmesa);
- r300SetTexImages(rmesa, tObj);
- r300UploadTexImages(rmesa, (r300TexObjPtr) tObj->DriverData, 0);
- if (!t->base.memBlock && !rmesa->prefer_gart_client_texturing)
+ if (ret == RADEON_CS_SPACE_FLUSH) {
+ r300Flush(ctx);
+ if (flushed)
return GL_FALSE;
+ flushed = 1;
+ goto again;
}
-
return GL_TRUE;
}
-static GLboolean update_tex_common(GLcontext * ctx, int unit)
+void r300SetTexOffset(__DRIcontext * pDRICtx, GLint texname,
+ unsigned long long offset, GLint depth, GLuint pitch)
{
- r300ContextPtr rmesa = R300_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- struct gl_texture_object *tObj = texUnit->_Current;
- r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
+ r300ContextPtr rmesa = pDRICtx->driverPrivate;
+ struct gl_texture_object *tObj =
+ _mesa_lookup_texture(rmesa->radeon.glCtx, texname);
+ radeonTexObjPtr t = radeon_tex_obj(tObj);
+ uint32_t pitch_val;
- /* Fallback if there's a texture border */
- if (tObj->Image[0][tObj->BaseLevel]->Border > 0)
- return GL_FALSE;
+ if (!tObj)
+ return;
- /* Update state if this is a different texture object to last
- * time.
- */
- if (rmesa->state.texture.unit[unit].texobj != t) {
- if (rmesa->state.texture.unit[unit].texobj != NULL) {
- /* The old texture is no longer bound to this texture unit.
- * Mark it as such.
- */
-
- rmesa->state.texture.unit[unit].texobj->base.bound &=
- ~(1UL << unit);
- }
+ t->image_override = GL_TRUE;
+
+ if (!offset)
+ return;
- rmesa->state.texture.unit[unit].texobj = t;
- t->base.bound |= (1UL << unit);
- t->dirty_state |= 1 << unit;
- driUpdateTextureLRU((driTextureObject *) t); /* XXX: should be locked! */
+ t->bo = NULL;
+ t->override_offset = offset;
+ t->pp_txpitch &= (1 << 13) -1;
+ pitch_val = pitch;
+
+ switch (depth) {
+ case 32:
+ t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
+ t->pp_txfilter |= tx_table[2].filter;
+ pitch_val /= 4;
+ break;
+ case 24:
+ default:
+ t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
+ t->pp_txfilter |= tx_table[4].filter;
+ pitch_val /= 4;
+ break;
+ case 16:
+ t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
+ t->pp_txfilter |= tx_table[5].filter;
+ pitch_val /= 2;
+ break;
}
+ pitch_val--;
- return !t->border_fallback;
+ t->pp_txpitch |= pitch_val;
}
-static GLboolean r300UpdateTextureUnit(GLcontext * ctx, int unit)
+void r300SetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv)
{
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-
- if (texUnit->_ReallyEnabled & (TEXTURE_RECT_BIT)) {
- return (enable_tex_rect(ctx, unit) &&
- update_tex_common(ctx, unit));
- } else if (texUnit->_ReallyEnabled & (TEXTURE_1D_BIT | TEXTURE_2D_BIT)) {
- return (enable_tex_2d(ctx, unit) &&
- update_tex_common(ctx, unit));
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ struct radeon_renderbuffer *rb;
+ radeon_texture_image *rImage;
+ radeonContextPtr radeon;
+ r300ContextPtr rmesa;
+ GLframebuffer *fb;
+ radeonTexObjPtr t;
+ uint32_t pitch_val;
+
+ target = GL_TEXTURE_RECTANGLE_ARB;
+
+ radeon = pDRICtx->driverPrivate;
+ rmesa = pDRICtx->driverPrivate;
+
+ fb = dPriv->driverPrivate;
+ texUnit = &radeon->glCtx->Texture.Unit[radeon->glCtx->Texture.CurrentUnit];
+ texObj = _mesa_select_tex_object(radeon->glCtx, texUnit, target);
+ texImage = _mesa_get_tex_image(radeon->glCtx, texObj, target, 0);
+
+ rImage = get_radeon_texture_image(texImage);
+ t = radeon_tex_obj(texObj);
+ if (t == NULL) {
+ return;
+ }
+
+ radeon_update_renderbuffers(pDRICtx, dPriv);
+ /* back & depth buffer are useless free them right away */
+ rb = (void*)fb->Attachment[BUFFER_DEPTH].Renderbuffer;
+ if (rb && rb->bo) {
+ radeon_bo_unref(rb->bo);
+ rb->bo = NULL;
}
-#if ENABLE_HW_3D_TEXTURE
- else if (texUnit->_ReallyEnabled & (TEXTURE_3D_BIT)) {
- return (enable_tex_3d(ctx, unit) &&
- update_tex_common(ctx, unit));
+ rb = (void*)fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
+ if (rb && rb->bo) {
+ radeon_bo_unref(rb->bo);
+ rb->bo = NULL;
}
-#endif
- else if (texUnit->_ReallyEnabled & (TEXTURE_CUBE_BIT)) {
- return (enable_tex_cube(ctx, unit) &&
- update_tex_common(ctx, unit));
- } else if (texUnit->_ReallyEnabled) {
- return GL_FALSE;
- } else {
- return GL_TRUE;
- }
-}
-
-void r300UpdateTextureState(GLcontext * ctx)
-{
- GLboolean ok;
-
- ok = (r300UpdateTextureUnit(ctx, 0) &&
- r300UpdateTextureUnit(ctx, 1) &&
- r300UpdateTextureUnit(ctx, 2) &&
- r300UpdateTextureUnit(ctx, 3) &&
- r300UpdateTextureUnit(ctx, 4) &&
- r300UpdateTextureUnit(ctx, 5) &&
- r300UpdateTextureUnit(ctx, 6) &&
- r300UpdateTextureUnit(ctx, 7)
- );
+ rb = (void*)fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
+ if (rb->bo == NULL) {
+ /* Failed to BO for the buffer */
+ return;
+ }
+
+ _mesa_lock_texture(radeon->glCtx, texObj);
+ if (t->bo) {
+ t->bo = NULL;
+ }
+ if (t->mt) {
+ t->mt = NULL;
+ }
+ if (rImage->mt) {
+ radeon_miptree_unreference(rImage->mt);
+ rImage->mt = NULL;
+ }
+ fprintf(stderr,"settexbuf %dx%d@%d\n", rb->width, rb->height, rb->cpp);
+ _mesa_init_teximage_fields(radeon->glCtx, target, texImage,
+ rb->width, rb->height, 1, 0, rb->cpp);
+ texImage->TexFormat = &_mesa_texformat_rgba8888_rev;
+ rImage->bo = rb->bo;
+
+ t->bo = rb->bo;
+ t->tile_bits = 0;
+ t->image_override = GL_TRUE;
+ t->override_offset = 0;
+ t->pp_txpitch &= (1 << 13) -1;
+ pitch_val = rb->pitch;
+ switch (rb->cpp) {
+ case 4:
+ t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
+ t->pp_txfilter |= tx_table[2].filter;
+ pitch_val /= 4;
+ break;
+ case 3:
+ default:
+ t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
+ t->pp_txfilter |= tx_table[4].filter;
+ pitch_val /= 4;
+ break;
+ case 2:
+ t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
+ t->pp_txfilter |= tx_table[5].filter;
+ pitch_val /= 2;
+ break;
+ }
+ pitch_val--;
+ t->pp_txsize = ((rb->width - 1) << R300_TX_WIDTHMASK_SHIFT) |
+ ((rb->height - 1) << R300_TX_HEIGHTMASK_SHIFT);
+ t->pp_txsize |= R300_TX_SIZE_TXPITCH_EN;
+ t->pp_txpitch |= pitch_val;
+ t->validated = GL_TRUE;
+ _mesa_unlock_texture(radeon->glCtx, texObj);
+ return;
}
projects / mesa.git / blobdiff