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|
/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. 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
* VIA, S3 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 <stdlib.h>
#include <stdio.h>
#include "glheader.h"
#include "macros.h"
#include "mtypes.h"
#include "enums.h"
#include "colortab.h"
#include "convolve.h"
#include "context.h"
#include "mipmap.h"
#include "simple_list.h"
#include "texcompress.h"
#include "texformat.h"
#include "texobj.h"
#include "texstore.h"
#include "mm.h"
#include "via_context.h"
#include "via_fb.h"
#include "via_tex.h"
#include "via_state.h"
#include "via_ioctl.h"
#include "via_3d_reg.h"
static const struct gl_texture_format *
viaChooseTexFormat( GLcontext *ctx, GLint internalFormat,
GLenum format, GLenum type )
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
const GLboolean do32bpt = ( vmesa->viaScreen->bitsPerPixel == 32
/* && vmesa->viaScreen->textureSize > 4*1024*1024 */
);
switch ( internalFormat ) {
case 4:
case GL_RGBA:
case GL_COMPRESSED_RGBA:
if ( format == GL_BGRA ) {
if ( type == GL_UNSIGNED_INT_8_8_8_8_REV ||
type == GL_UNSIGNED_BYTE ) {
return &_mesa_texformat_argb8888;
}
else if ( type == GL_UNSIGNED_SHORT_4_4_4_4_REV ) {
return &_mesa_texformat_argb4444;
}
else if ( type == GL_UNSIGNED_SHORT_1_5_5_5_REV ) {
return &_mesa_texformat_argb1555;
}
}
else if ( type == GL_UNSIGNED_BYTE ||
type == GL_UNSIGNED_INT_8_8_8_8_REV ||
type == GL_UNSIGNED_INT_8_8_8_8 ) {
return &_mesa_texformat_argb8888;
}
return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444;
case 3:
case GL_RGB:
case GL_COMPRESSED_RGB:
if ( format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5 ) {
return &_mesa_texformat_rgb565;
}
else if ( type == GL_UNSIGNED_BYTE ) {
return &_mesa_texformat_argb8888;
}
return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565;
case GL_RGBA8:
case GL_RGB10_A2:
case GL_RGBA12:
case GL_RGBA16:
return &_mesa_texformat_argb8888;
case GL_RGBA4:
case GL_RGBA2:
return &_mesa_texformat_argb4444;
case GL_RGB5_A1:
return &_mesa_texformat_argb1555;
case GL_RGB8:
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
return &_mesa_texformat_argb8888;
case GL_RGB5:
case GL_RGB4:
case GL_R3_G3_B2:
return &_mesa_texformat_rgb565;
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
case GL_ALPHA12:
case GL_ALPHA16:
case GL_COMPRESSED_ALPHA:
return &_mesa_texformat_a8;
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
case GL_LUMINANCE12:
case GL_LUMINANCE16:
case GL_COMPRESSED_LUMINANCE:
return &_mesa_texformat_l8;
case 2:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE4_ALPHA4:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE8_ALPHA8:
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
case GL_COMPRESSED_LUMINANCE_ALPHA:
return &_mesa_texformat_al88;
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
case GL_INTENSITY12:
case GL_INTENSITY16:
case GL_COMPRESSED_INTENSITY:
return &_mesa_texformat_i8;
case GL_YCBCR_MESA:
if (type == GL_UNSIGNED_SHORT_8_8_MESA ||
type == GL_UNSIGNED_BYTE)
return &_mesa_texformat_ycbcr;
else
return &_mesa_texformat_ycbcr_rev;
case GL_COMPRESSED_RGB_FXT1_3DFX:
return &_mesa_texformat_rgb_fxt1;
case GL_COMPRESSED_RGBA_FXT1_3DFX:
return &_mesa_texformat_rgba_fxt1;
case GL_RGB_S3TC:
case GL_RGB4_S3TC:
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
return &_mesa_texformat_rgb_dxt1;
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
return &_mesa_texformat_rgba_dxt1;
case GL_RGBA_S3TC:
case GL_RGBA4_S3TC:
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
return &_mesa_texformat_rgba_dxt3;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
return &_mesa_texformat_rgba_dxt5;
case GL_COLOR_INDEX:
case GL_COLOR_INDEX1_EXT:
case GL_COLOR_INDEX2_EXT:
case GL_COLOR_INDEX4_EXT:
case GL_COLOR_INDEX8_EXT:
case GL_COLOR_INDEX12_EXT:
case GL_COLOR_INDEX16_EXT:
return &_mesa_texformat_ci8;
default:
fprintf(stderr, "unexpected texture format %s in %s\n",
_mesa_lookup_enum_by_nr(internalFormat),
__FUNCTION__);
return NULL;
}
return NULL; /* never get here */
}
static int logbase2(int n)
{
GLint i = 1;
GLint log2 = 0;
while (n > i) {
i *= 2;
log2++;
}
return log2;
}
static const char *get_memtype_name( GLint memType )
{
static const char *names[] = {
"VIA_MEM_VIDEO",
"VIA_MEM_AGP",
"VIA_MEM_SYSTEM",
"VIA_MEM_MIXED",
"VIA_MEM_UNKNOWN"
};
return names[memType];
}
static GLboolean viaMoveTexBuffers( struct via_context *vmesa,
struct via_tex_buffer **buffers,
GLuint nr,
GLint newMemType )
{
struct via_tex_buffer *newTexBuf[VIA_MAX_TEXLEVELS];
GLint i;
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "%s to %s\n",
__FUNCTION__,
get_memtype_name(newMemType));
memset(newTexBuf, 0, sizeof(newTexBuf));
/* First do all the allocations (or fail):
*/
for (i = 0; i < nr; i++) {
if (buffers[i]->memType != newMemType) {
/* Don't allow uploads in a thrash state. Should try and
* catch this earlier.
*/
if (vmesa->thrashing && newMemType != VIA_MEM_SYSTEM)
goto cleanup;
newTexBuf[i] = via_alloc_texture(vmesa,
buffers[i]->size,
newMemType);
if (!newTexBuf[i])
goto cleanup;
}
}
/* Now copy all the image data and free the old texture memory.
*/
for (i = 0; i < nr; i++) {
if (newTexBuf[i]) {
memcpy(newTexBuf[i]->bufAddr,
buffers[i]->bufAddr,
buffers[i]->size);
newTexBuf[i]->image = buffers[i]->image;
newTexBuf[i]->image->texMem = newTexBuf[i];
newTexBuf[i]->image->image.Data = newTexBuf[i]->bufAddr;
via_free_texture(vmesa, buffers[i]);
}
}
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "%s - success\n", __FUNCTION__);
return GL_TRUE;
cleanup:
/* Release any allocations made prior to failure:
*/
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "%s - failed\n", __FUNCTION__);
for (i = 0; i < nr; i++) {
if (newTexBuf[i]) {
via_free_texture(vmesa, newTexBuf[i]);
}
}
return GL_FALSE;
}
static GLboolean viaMoveTexObject( struct via_context *vmesa,
struct via_texture_object *viaObj,
GLint newMemType )
{
struct via_texture_image **viaImage =
(struct via_texture_image **)&viaObj->obj.Image[0][0];
struct via_tex_buffer *buffers[VIA_MAX_TEXLEVELS];
GLuint i, nr = 0;
for (i = viaObj->firstLevel; i <= viaObj->lastLevel; i++)
buffers[nr++] = viaImage[i]->texMem;
if (viaMoveTexBuffers( vmesa, &buffers[0], nr, newMemType )) {
viaObj->memType = newMemType;
return GL_TRUE;
}
return GL_FALSE;
}
static GLboolean viaSwapInTexObject( struct via_context *vmesa,
struct via_texture_object *viaObj )
{
const struct via_texture_image *baseImage =
(struct via_texture_image *)viaObj->obj.Image[0][viaObj->obj.BaseLevel];
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "%s\n", __FUNCTION__);
if (baseImage->texMem->memType != VIA_MEM_SYSTEM)
return viaMoveTexObject( vmesa, viaObj, baseImage->texMem->memType );
return (viaMoveTexObject( vmesa, viaObj, VIA_MEM_AGP ) ||
viaMoveTexObject( vmesa, viaObj, VIA_MEM_VIDEO ));
}
/* This seems crude, but it asks a fairly pertinent question and gives
* an accurate answer:
*/
static GLboolean viaIsTexMemLow( struct via_context *vmesa,
GLuint heap )
{
struct via_tex_buffer *buf = via_alloc_texture(vmesa, 512 * 1024, heap );
if (!buf)
return GL_TRUE;
via_free_texture(vmesa, buf);
return GL_FALSE;
}
/* Speculatively move texture images which haven't been used in a
* while back to system memory.
*
* TODO: only do this when texture memory is low.
*
* TODO: use dma.
*
* TODO: keep the fb/agp version hanging around and use the local
* version as backing store, so re-upload might be avoided.
*
* TODO: do this properly in the kernel...
*/
GLboolean viaSwapOutWork( struct via_context *vmesa )
{
struct via_tex_buffer *s, *tmp;
GLuint done = 0;
GLuint heap, target;
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "%s VID %d AGP %d SYS %d\n", __FUNCTION__,
vmesa->total_alloc[VIA_MEM_VIDEO],
vmesa->total_alloc[VIA_MEM_AGP],
vmesa->total_alloc[VIA_MEM_SYSTEM]);
for (heap = VIA_MEM_VIDEO; heap <= VIA_MEM_AGP; heap++) {
GLuint nr = 0, sz = 0;
if (vmesa->thrashing) {
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "Heap %d: trash flag\n", heap);
target = 1*1024*1024;
}
else if (viaIsTexMemLow(vmesa, heap)) {
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "Heap %d: low memory\n", heap);
target = 64*1024;
}
else {
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "Heap %d: nothing to do\n", heap);
continue;
}
foreach_s( s, tmp, &vmesa->tex_image_list[heap] ) {
if (s->lastUsed < vmesa->lastSwap[1]) {
struct via_texture_object *viaObj =
(struct via_texture_object *) s->image->image.TexObject;
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr,
"back copy tex sz %d, lastUsed %d lastSwap %d\n",
s->size, s->lastUsed, vmesa->lastSwap[1]);
if (viaMoveTexBuffers( vmesa, &s, 1, VIA_MEM_SYSTEM )) {
viaObj->memType = VIA_MEM_MIXED;
done += s->size;
}
else {
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "Failed to back copy texture!\n");
sz += s->size;
}
}
else {
nr ++;
sz += s->size;
}
if (done > target) {
vmesa->thrashing = GL_FALSE; /* might not get set otherwise? */
return GL_TRUE;
}
}
assert(sz == vmesa->total_alloc[heap]);
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "Heap %d: nr %d tot sz %d\n", heap, nr, sz);
}
return done != 0;
}
/* Basically, just collect the image dimensions and addresses for each
* image and update the texture object state accordingly.
*/
static GLboolean viaSetTexImages(GLcontext *ctx,
struct gl_texture_object *texObj)
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
struct via_texture_object *viaObj = (struct via_texture_object *)texObj;
const struct via_texture_image *baseImage =
(struct via_texture_image *)texObj->Image[0][texObj->BaseLevel];
GLint firstLevel, lastLevel, numLevels;
GLuint texFormat;
GLint w, h, p;
GLint i, j = 0, k = 0, l = 0, m = 0;
GLuint texBase;
GLuint basH = 0;
GLuint widthExp = 0;
GLuint heightExp = 0;
switch (baseImage->image.TexFormat->MesaFormat) {
case MESA_FORMAT_ARGB8888:
texFormat = HC_HTXnFM_ARGB8888;
break;
case MESA_FORMAT_ARGB4444:
texFormat = HC_HTXnFM_ARGB4444;
break;
case MESA_FORMAT_RGB565:
texFormat = HC_HTXnFM_RGB565;
break;
case MESA_FORMAT_ARGB1555:
texFormat = HC_HTXnFM_ARGB1555;
break;
case MESA_FORMAT_RGB888:
texFormat = HC_HTXnFM_ARGB0888;
break;
case MESA_FORMAT_L8:
texFormat = HC_HTXnFM_L8;
break;
case MESA_FORMAT_I8:
texFormat = HC_HTXnFM_T8;
break;
case MESA_FORMAT_CI8:
texFormat = HC_HTXnFM_Index8;
break;
case MESA_FORMAT_AL88:
texFormat = HC_HTXnFM_AL88;
break;
case MESA_FORMAT_A8:
texFormat = HC_HTXnFM_A8;
break;
default:
_mesa_problem(vmesa->glCtx, "Bad texture format in viaSetTexImages");
return GL_FALSE;
}
/* 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 (texObj->MinFilter == GL_LINEAR || texObj->MinFilter == GL_NEAREST) {
firstLevel = lastLevel = texObj->BaseLevel;
}
else {
firstLevel = texObj->BaseLevel + (GLint)(texObj->MinLod + 0.5);
firstLevel = MAX2(firstLevel, texObj->BaseLevel);
lastLevel = texObj->BaseLevel + (GLint)(texObj->MaxLod + 0.5);
lastLevel = MAX2(lastLevel, texObj->BaseLevel);
lastLevel = MIN2(lastLevel, texObj->BaseLevel + baseImage->image.MaxLog2);
lastLevel = MIN2(lastLevel, texObj->MaxLevel);
lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */
}
numLevels = lastLevel - firstLevel + 1;
/* save these values, check if they effect the residency of the
* texture:
*/
if (viaObj->firstLevel != firstLevel ||
viaObj->lastLevel != lastLevel) {
viaObj->firstLevel = firstLevel;
viaObj->lastLevel = lastLevel;
viaObj->memType = VIA_MEM_MIXED;
}
if (VIA_DEBUG & DEBUG_TEXTURE & 0)
fprintf(stderr, "%s, current memType: %s\n",
__FUNCTION__,
get_memtype_name(viaObj->memType));
if (viaObj->memType == VIA_MEM_MIXED ||
viaObj->memType == VIA_MEM_SYSTEM) {
if (!viaSwapInTexObject(vmesa, viaObj)) {
if (VIA_DEBUG & DEBUG_TEXTURE)
if (!vmesa->thrashing)
fprintf(stderr, "Thrashing flag set for frame %d\n",
vmesa->swap_count);
vmesa->thrashing = GL_TRUE;
return GL_FALSE;
}
}
if (viaObj->memType == VIA_MEM_AGP)
viaObj->regTexFM = (HC_SubA_HTXnFM << 24) | HC_HTXnLoc_AGP | texFormat;
else
viaObj->regTexFM = (HC_SubA_HTXnFM << 24) | HC_HTXnLoc_Local | texFormat;
for (i = 0; i < numLevels; i++) {
struct via_texture_image *viaImage =
(struct via_texture_image *)texObj->Image[0][firstLevel + i];
w = viaImage->image.WidthLog2;
h = viaImage->image.HeightLog2;
p = viaImage->pitchLog2;
assert(viaImage->texMem->memType == viaObj->memType);
texBase = viaImage->texMem->texBase;
if (!texBase) {
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "%s: no texBase[%d]\n", __FUNCTION__, i);
return GL_FALSE;
}
/* Image has to remain resident until the coming fence is retired.
*/
move_to_head( &vmesa->tex_image_list[viaImage->texMem->memType],
viaImage->texMem );
viaImage->texMem->lastUsed = vmesa->lastBreadcrumbWrite;
viaObj->regTexBaseAndPitch[i].baseL =
((HC_SubA_HTXnL0BasL + i) << 24) | (texBase & 0xFFFFFF);
viaObj->regTexBaseAndPitch[i].pitchLog2 =
((HC_SubA_HTXnL0Pit + i) << 24) | (p << 20);
/* The base high bytes for each 3 levels are packed
* together into one register:
*/
j = i / 3;
k = 3 - (i % 3);
basH |= ((texBase & 0xFF000000) >> (k << 3));
if (k == 1) {
viaObj->regTexBaseH[j] = ((j + HC_SubA_HTXnL012BasH) << 24) | basH;
basH = 0;
}
/* Likewise, sets of 6 log2width and log2height values are
* packed into individual registers:
*/
l = i / 6;
m = i % 6;
widthExp |= (((GLuint)w & 0xF) << (m << 2));
heightExp |= (((GLuint)h & 0xF) << (m << 2));
if (m == 5) {
viaObj->regTexWidthLog2[l] =
(l + HC_SubA_HTXnL0_5WE) << 24 | widthExp;
viaObj->regTexHeightLog2[l] =
(l + HC_SubA_HTXnL0_5HE) << 24 | heightExp;
widthExp = 0;
heightExp = 0;
}
if (w) w--;
if (h) h--;
if (p) p--;
}
if (k != 1) {
viaObj->regTexBaseH[j] = ((j + HC_SubA_HTXnL012BasH) << 24) | basH;
}
if (m != 5) {
viaObj->regTexWidthLog2[l] = (l + HC_SubA_HTXnL0_5WE) << 24 | widthExp;
viaObj->regTexHeightLog2[l] = (l + HC_SubA_HTXnL0_5HE) << 24 | heightExp;
}
return GL_TRUE;
}
GLboolean viaUpdateTextureState( GLcontext *ctx )
{
struct gl_texture_unit *texUnit = ctx->Texture.Unit;
GLuint i;
for (i = 0; i < 2; i++) {
if (texUnit[i]._ReallyEnabled == TEXTURE_2D_BIT ||
texUnit[i]._ReallyEnabled == TEXTURE_1D_BIT) {
if (!viaSetTexImages(ctx, texUnit[i]._Current))
return GL_FALSE;
}
else if (texUnit[i]._ReallyEnabled) {
return GL_FALSE;
}
}
return GL_TRUE;
}
static void viaTexImage(GLcontext *ctx,
GLint dims,
GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint height, GLint border,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
GLint postConvWidth = width;
GLint postConvHeight = height;
GLint texelBytes, sizeInBytes;
struct via_texture_object *viaObj = (struct via_texture_object *)texObj;
struct via_texture_image *viaImage = (struct via_texture_image *)texImage;
int heaps[3], nheaps, i;
if (!is_empty_list(&vmesa->freed_tex_buffers)) {
viaCheckBreadcrumb(vmesa, 0);
via_release_pending_textures(vmesa);
}
if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
_mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth,
&postConvHeight);
}
/* choose the texture format */
texImage->TexFormat = viaChooseTexFormat(ctx, internalFormat,
format, type);
assert(texImage->TexFormat);
if (dims == 1) {
texImage->FetchTexelc = texImage->TexFormat->FetchTexel1D;
texImage->FetchTexelf = texImage->TexFormat->FetchTexel1Df;
}
else {
texImage->FetchTexelc = texImage->TexFormat->FetchTexel2D;
texImage->FetchTexelf = texImage->TexFormat->FetchTexel2Df;
}
texelBytes = texImage->TexFormat->TexelBytes;
if (texelBytes == 0) {
/* compressed format */
texImage->IsCompressed = GL_TRUE;
texImage->CompressedSize =
ctx->Driver.CompressedTextureSize(ctx, texImage->Width,
texImage->Height, texImage->Depth,
texImage->TexFormat->MesaFormat);
}
/* Minimum pitch of 32 bytes */
if (postConvWidth * texelBytes < 32) {
postConvWidth = 32 / texelBytes;
texImage->RowStride = postConvWidth;
}
assert(texImage->RowStride == postConvWidth);
viaImage->pitchLog2 = logbase2(postConvWidth * texelBytes);
/* allocate memory */
if (texImage->IsCompressed)
sizeInBytes = texImage->CompressedSize;
else
sizeInBytes = postConvWidth * postConvHeight * texelBytes;
/* Attempt to allocate texture memory directly, otherwise use main
* memory and this texture will always be a fallback. FIXME!
*
* TODO: make room in agp if this fails.
* TODO: use fb ram for textures as well.
*/
switch (viaObj->memType) {
case VIA_MEM_UNKNOWN:
heaps[0] = VIA_MEM_AGP;
heaps[1] = VIA_MEM_VIDEO;
heaps[2] = VIA_MEM_SYSTEM;
nheaps = 3;
break;
case VIA_MEM_AGP:
case VIA_MEM_VIDEO:
heaps[0] = viaObj->memType;
heaps[1] = VIA_MEM_SYSTEM;
nheaps = 2;
break;
case VIA_MEM_MIXED:
case VIA_MEM_SYSTEM:
default:
heaps[0] = VIA_MEM_SYSTEM;
nheaps = 1;
break;
}
for (i = 0; i < nheaps && !viaImage->texMem; i++) {
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "try %s (obj %s)\n", get_memtype_name(heaps[i]),
get_memtype_name(viaObj->memType));
viaImage->texMem = via_alloc_texture(vmesa, sizeInBytes, heaps[i]);
}
if (!viaImage->texMem) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
return;
}
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "upload %d bytes to %s\n", sizeInBytes,
get_memtype_name(viaImage->texMem->memType));
viaImage->texMem->image = viaImage;
texImage->Data = viaImage->texMem->bufAddr;
if (viaObj->memType == VIA_MEM_UNKNOWN)
viaObj->memType = viaImage->texMem->memType;
else if (viaObj->memType != viaImage->texMem->memType)
viaObj->memType = VIA_MEM_MIXED;
if (VIA_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "%s, obj %s, image : %s\n",
__FUNCTION__,
get_memtype_name(viaObj->memType),
get_memtype_name(viaImage->texMem->memType));
vmesa->clearTexCache = 1;
pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1,
format, type,
pixels, packing, "glTexImage");
if (!pixels) {
/* Note: we check for a NULL image pointer here, _after_ we allocated
* memory for the texture. That's what the GL spec calls for.
*/
return;
}
else {
GLint dstRowStride;
GLboolean success;
if (texImage->IsCompressed) {
dstRowStride = _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width);
}
else {
dstRowStride = postConvWidth * texImage->TexFormat->TexelBytes;
}
ASSERT(texImage->TexFormat->StoreImage);
success = texImage->TexFormat->StoreImage(ctx, dims,
texImage->_BaseFormat,
texImage->TexFormat,
texImage->Data,
0, 0, 0, /* dstX/Y/Zoffset */
dstRowStride,
texImage->ImageOffsets,
width, height, 1,
format, type, pixels, packing);
if (!success) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
}
}
/* GL_SGIS_generate_mipmap */
if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
_mesa_generate_mipmap(ctx, target,
&ctx->Texture.Unit[ctx->Texture.CurrentUnit],
texObj);
}
_mesa_unmap_teximage_pbo(ctx, packing);
}
static void viaTexImage2D(GLcontext *ctx,
GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint height, GLint border,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
viaTexImage( ctx, 2, target, level,
internalFormat, width, height, border,
format, type, pixels,
packing, texObj, texImage );
}
static void viaTexSubImage2D(GLcontext *ctx,
GLenum target,
GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
viaWaitIdle(vmesa, GL_TRUE);
vmesa->clearTexCache = 1;
_mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
height, format, type, pixels, packing, texObj,
texImage);
}
static void viaTexImage1D(GLcontext *ctx,
GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint border,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
viaTexImage( ctx, 1, target, level,
internalFormat, width, 1, border,
format, type, pixels,
packing, texObj, texImage );
}
static void viaTexSubImage1D(GLcontext *ctx,
GLenum target,
GLint level,
GLint xoffset,
GLsizei width,
GLenum format, GLenum type,
const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
viaWaitIdle(vmesa, GL_TRUE);
vmesa->clearTexCache = 1;
_mesa_store_texsubimage1d(ctx, target, level, xoffset, width,
format, type, pixels, packing, texObj,
texImage);
}
static GLboolean viaIsTextureResident(GLcontext *ctx,
struct gl_texture_object *texObj)
{
struct via_texture_object *viaObj =
(struct via_texture_object *)texObj;
return (viaObj->memType == VIA_MEM_AGP ||
viaObj->memType == VIA_MEM_VIDEO);
}
static struct gl_texture_image *viaNewTextureImage( GLcontext *ctx )
{
(void) ctx;
return (struct gl_texture_image *)CALLOC_STRUCT(via_texture_image);
}
static struct gl_texture_object *viaNewTextureObject( GLcontext *ctx,
GLuint name,
GLenum target )
{
struct via_texture_object *obj = CALLOC_STRUCT(via_texture_object);
_mesa_initialize_texture_object(&obj->obj, name, target);
(void) ctx;
obj->memType = VIA_MEM_UNKNOWN;
return &obj->obj;
}
static void viaFreeTextureImageData( GLcontext *ctx,
struct gl_texture_image *texImage )
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
struct via_texture_image *image = (struct via_texture_image *)texImage;
if (image->texMem) {
via_free_texture(vmesa, image->texMem);
image->texMem = NULL;
}
texImage->Data = NULL;
}
void viaInitTextureFuncs(struct dd_function_table * functions)
{
functions->ChooseTextureFormat = viaChooseTexFormat;
functions->TexImage1D = viaTexImage1D;
functions->TexImage2D = viaTexImage2D;
functions->TexSubImage1D = viaTexSubImage1D;
functions->TexSubImage2D = viaTexSubImage2D;
functions->NewTextureObject = viaNewTextureObject;
functions->NewTextureImage = viaNewTextureImage;
functions->DeleteTexture = _mesa_delete_texture_object;
functions->FreeTexImageData = viaFreeTextureImageData;
#if 0 && defined( USE_SSE_ASM )
/*
* XXX this code is disabled for now because the via_sse_memcpy()
* routine causes segfaults with flightgear.
* See Mesa3d-dev mail list messages from 7/15/2005 for details.
* Note that this function is currently disabled in via_tris.c too.
*/
if (getenv("VIA_NO_SSE"))
functions->TextureMemCpy = _mesa_memcpy;
else
functions->TextureMemCpy = via_sse_memcpy;
#else
functions->TextureMemCpy = _mesa_memcpy;
#endif
functions->UpdateTexturePalette = 0;
functions->IsTextureResident = viaIsTextureResident;
}
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