| /************************************************************************** |
| * |
| * Copyright 2007 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 "main/imports.h" |
| #include "main/convolve.h" |
| #include "main/enums.h" |
| #include "main/image.h" |
| #include "main/macros.h" |
| #include "main/texcompress.h" |
| #include "main/texformat.h" |
| #include "main/teximage.h" |
| #include "main/texobj.h" |
| #include "main/texstore.h" |
| |
| #include "state_tracker/st_context.h" |
| #include "state_tracker/st_cb_fbo.h" |
| #include "state_tracker/st_cb_texture.h" |
| #include "state_tracker/st_format.h" |
| #include "state_tracker/st_mipmap_tree.h" |
| |
| #include "pipe/p_context.h" |
| #include "pipe/p_defines.h" |
| #include "pipe/p_inlines.h" |
| |
| |
| #define DBG if (0) printf |
| |
| |
| struct st_texture_object |
| { |
| struct gl_texture_object base; /* The "parent" object */ |
| |
| /* The mipmap tree must include at least these levels once |
| * validated: |
| */ |
| GLuint firstLevel; |
| GLuint lastLevel; |
| |
| /* Offset for firstLevel image: |
| */ |
| GLuint textureOffset; |
| |
| /* On validation any active images held in main memory or in other |
| * regions will be copied to this region and the old storage freed. |
| */ |
| struct pipe_mipmap_tree *mt; |
| |
| GLboolean imageOverride; |
| GLint depthOverride; |
| GLuint pitchOverride; |
| }; |
| |
| |
| |
| struct st_texture_image |
| { |
| struct gl_texture_image base; |
| |
| /* These aren't stored in gl_texture_image |
| */ |
| GLuint level; |
| GLuint face; |
| |
| /* If stImage->mt != NULL, image data is stored here. |
| * Else if stImage->base.Data != NULL, image is stored there. |
| * Else there is no image data. |
| */ |
| struct pipe_mipmap_tree *mt; |
| }; |
| |
| |
| |
| |
| static INLINE struct st_texture_object * |
| st_texture_object(struct gl_texture_object *obj) |
| { |
| return (struct st_texture_object *) obj; |
| } |
| |
| static INLINE struct st_texture_image * |
| st_texture_image(struct gl_texture_image *img) |
| { |
| return (struct st_texture_image *) img; |
| } |
| |
| |
| struct pipe_mipmap_tree * |
| st_get_texobj_mipmap_tree(struct gl_texture_object *texObj) |
| { |
| struct st_texture_object *stObj = st_texture_object(texObj); |
| return stObj->mt; |
| } |
| |
| |
| static unsigned |
| gl_target_to_pipe(GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_1D: |
| return PIPE_TEXTURE_1D; |
| |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_RECTANGLE_NV: |
| return PIPE_TEXTURE_2D; |
| |
| case GL_TEXTURE_3D: |
| return PIPE_TEXTURE_3D; |
| |
| case GL_TEXTURE_CUBE_MAP_ARB: |
| return PIPE_TEXTURE_CUBE; |
| |
| default: |
| assert(0); |
| return 0; |
| } |
| } |
| |
| |
| static int |
| compressed_num_bytes(GLuint mesaFormat) |
| { |
| int bytes = 0; |
| switch(mesaFormat) { |
| |
| case MESA_FORMAT_RGB_FXT1: |
| case MESA_FORMAT_RGBA_FXT1: |
| case MESA_FORMAT_RGB_DXT1: |
| case MESA_FORMAT_RGBA_DXT1: |
| bytes = 2; |
| break; |
| |
| case MESA_FORMAT_RGBA_DXT3: |
| case MESA_FORMAT_RGBA_DXT5: |
| bytes = 4; |
| default: |
| break; |
| } |
| |
| return bytes; |
| } |
| |
| |
| |
| |
| static GLboolean |
| st_IsTextureResident(GLcontext * ctx, struct gl_texture_object *texObj) |
| { |
| #if 0 |
| struct intel_context *intel = intel_context(ctx); |
| struct st_texture_object *stObj = st_texture_object(texObj); |
| |
| return |
| stObj->mt && |
| stObj->mt->region && |
| intel_is_region_resident(intel, stObj->mt->region); |
| #endif |
| return 1; |
| } |
| |
| |
| |
| static struct gl_texture_image * |
| st_NewTextureImage(GLcontext * ctx) |
| { |
| DBG("%s\n", __FUNCTION__); |
| (void) ctx; |
| return (struct gl_texture_image *) CALLOC_STRUCT(st_texture_image); |
| } |
| |
| |
| static struct gl_texture_object * |
| st_NewTextureObject(GLcontext * ctx, GLuint name, GLenum target) |
| { |
| struct st_texture_object *obj = CALLOC_STRUCT(st_texture_object); |
| |
| DBG("%s\n", __FUNCTION__); |
| _mesa_initialize_texture_object(&obj->base, name, target); |
| |
| return &obj->base; |
| } |
| |
| static void |
| st_DeleteTextureObject(GLcontext *ctx, |
| struct gl_texture_object *texObj) |
| { |
| struct pipe_context *pipe = ctx->st->pipe; |
| struct st_texture_object *stObj = st_texture_object(texObj); |
| |
| if (stObj->mt) |
| st_miptree_release(pipe, &stObj->mt); |
| |
| _mesa_delete_texture_object(ctx, texObj); |
| } |
| |
| |
| static void |
| st_FreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage) |
| { |
| struct pipe_context *pipe = ctx->st->pipe; |
| struct st_texture_image *stImage = st_texture_image(texImage); |
| |
| DBG("%s\n", __FUNCTION__); |
| |
| if (stImage->mt) { |
| st_miptree_release(pipe, &stImage->mt); |
| } |
| |
| if (texImage->Data) { |
| free(texImage->Data); |
| texImage->Data = NULL; |
| } |
| } |
| |
| |
| |
| |
| /* ================================================================ |
| * From linux kernel i386 header files, copes with odd sizes better |
| * than COPY_DWORDS would: |
| * XXX Put this in src/mesa/main/imports.h ??? |
| */ |
| #if defined(i386) || defined(__i386__) |
| static INLINE void * |
| __memcpy(void *to, const void *from, size_t n) |
| { |
| int d0, d1, d2; |
| __asm__ __volatile__("rep ; movsl\n\t" |
| "testb $2,%b4\n\t" |
| "je 1f\n\t" |
| "movsw\n" |
| "1:\ttestb $1,%b4\n\t" |
| "je 2f\n\t" |
| "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2) |
| :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from) |
| :"memory"); |
| return (to); |
| } |
| #else |
| #define __memcpy(a,b,c) memcpy(a,b,c) |
| #endif |
| |
| |
| /* The system memcpy (at least on ubuntu 5.10) has problems copying |
| * to agp (writecombined) memory from a source which isn't 64-byte |
| * aligned - there is a 4x performance falloff. |
| * |
| * The x86 __memcpy is immune to this but is slightly slower |
| * (10%-ish) than the system memcpy. |
| * |
| * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but |
| * isn't much faster than x86_memcpy for agp copies. |
| * |
| * TODO: switch dynamically. |
| */ |
| static void * |
| do_memcpy(void *dest, const void *src, size_t n) |
| { |
| if ((((unsigned) src) & 63) || (((unsigned) dest) & 63)) { |
| return __memcpy(dest, src, n); |
| } |
| else |
| return memcpy(dest, src, n); |
| } |
| |
| |
| /* Functions to store texture images. Where possible, mipmap_tree's |
| * will be created or further instantiated with image data, otherwise |
| * images will be stored in malloc'd memory. A validation step is |
| * required to pull those images into a mipmap tree, or otherwise |
| * decide a fallback is required. |
| */ |
| |
| |
| static int |
| logbase2(int n) |
| { |
| GLint i = 1; |
| GLint log2 = 0; |
| |
| while (n > i) { |
| i *= 2; |
| log2++; |
| } |
| |
| return log2; |
| } |
| |
| |
| /* Otherwise, store it in memory if (Border != 0) or (any dimension == |
| * 1). |
| * |
| * Otherwise, if max_level >= level >= min_level, create tree with |
| * space for textures from min_level down to max_level. |
| * |
| * Otherwise, create tree with space for textures from (level |
| * 0)..(1x1). Consider pruning this tree at a validation if the |
| * saving is worth it. |
| */ |
| static void |
| guess_and_alloc_mipmap_tree(struct pipe_context *pipe, |
| struct st_texture_object *stObj, |
| struct st_texture_image *stImage) |
| { |
| GLuint firstLevel; |
| GLuint lastLevel; |
| GLuint width = stImage->base.Width; |
| GLuint height = stImage->base.Height; |
| GLuint depth = stImage->base.Depth; |
| GLuint l2width, l2height, l2depth; |
| GLuint i, comp_byte = 0; |
| |
| DBG("%s\n", __FUNCTION__); |
| |
| if (stImage->base.Border) |
| return; |
| |
| if (stImage->level > stObj->base.BaseLevel && |
| (stImage->base.Width == 1 || |
| (stObj->base.Target != GL_TEXTURE_1D && |
| stImage->base.Height == 1) || |
| (stObj->base.Target == GL_TEXTURE_3D && |
| stImage->base.Depth == 1))) |
| return; |
| |
| /* If this image disrespects BaseLevel, allocate from level zero. |
| * Usually BaseLevel == 0, so it's unlikely to happen. |
| */ |
| if (stImage->level < stObj->base.BaseLevel) |
| firstLevel = 0; |
| else |
| firstLevel = stObj->base.BaseLevel; |
| |
| |
| /* Figure out image dimensions at start level. |
| */ |
| for (i = stImage->level; i > firstLevel; i--) { |
| width <<= 1; |
| if (height != 1) |
| height <<= 1; |
| if (depth != 1) |
| depth <<= 1; |
| } |
| |
| /* Guess a reasonable value for lastLevel. This is probably going |
| * to be wrong fairly often and might mean that we have to look at |
| * resizable buffers, or require that buffers implement lazy |
| * pagetable arrangements. |
| */ |
| if ((stObj->base.MinFilter == GL_NEAREST || |
| stObj->base.MinFilter == GL_LINEAR) && |
| stImage->level == firstLevel) { |
| lastLevel = firstLevel; |
| } |
| else { |
| l2width = logbase2(width); |
| l2height = logbase2(height); |
| l2depth = logbase2(depth); |
| lastLevel = firstLevel + MAX2(MAX2(l2width, l2height), l2depth); |
| } |
| |
| assert(!stObj->mt); |
| if (stImage->base.IsCompressed) |
| comp_byte = compressed_num_bytes(stImage->base.TexFormat->MesaFormat); |
| stObj->mt = st_miptree_create(pipe, |
| gl_target_to_pipe(stObj->base.Target), |
| stImage->base.InternalFormat, |
| firstLevel, |
| lastLevel, |
| width, |
| height, |
| depth, |
| stImage->base.TexFormat->TexelBytes, |
| comp_byte); |
| |
| stObj->mt->format |
| = st_mesa_format_to_pipe_format(stImage->base.TexFormat->MesaFormat); |
| |
| DBG("%s - success\n", __FUNCTION__); |
| } |
| |
| |
| |
| |
| static GLuint |
| target_to_face(GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: |
| return ((GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X); |
| default: |
| return 0; |
| } |
| } |
| |
| |
| |
| /* There are actually quite a few combinations this will work for, |
| * more than what I've listed here. |
| */ |
| static GLboolean |
| check_pbo_format(GLint internalFormat, |
| GLenum format, GLenum type, |
| const struct gl_texture_format *mesa_format) |
| { |
| switch (internalFormat) { |
| case 4: |
| case GL_RGBA: |
| return (format == GL_BGRA && |
| (type == GL_UNSIGNED_BYTE || |
| type == GL_UNSIGNED_INT_8_8_8_8_REV) && |
| mesa_format == &_mesa_texformat_argb8888); |
| case 3: |
| case GL_RGB: |
| return (format == GL_RGB && |
| type == GL_UNSIGNED_SHORT_5_6_5 && |
| mesa_format == &_mesa_texformat_rgb565); |
| case GL_YCBCR_MESA: |
| return (type == GL_UNSIGNED_SHORT_8_8_MESA || type == GL_UNSIGNED_BYTE); |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /* XXX: Do this for TexSubImage also: |
| */ |
| static GLboolean |
| try_pbo_upload(GLcontext *ctx, |
| struct st_texture_image *stImage, |
| const struct gl_pixelstore_attrib *unpack, |
| GLint internalFormat, |
| GLint width, GLint height, |
| GLenum format, GLenum type, const void *pixels) |
| { |
| return GL_FALSE; /* XXX fix flushing/locking/blitting below */ |
| #if 000 |
| struct intel_context *intel = intel_context(ctx); |
| struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj); |
| GLuint src_offset, src_stride; |
| GLuint dst_offset, dst_stride; |
| |
| if (!pbo || |
| ctx._ImageTransferState || |
| unpack->SkipPixels || unpack->SkipRows) { |
| _mesa_printf("%s: failure 1\n", __FUNCTION__); |
| return GL_FALSE; |
| } |
| |
| src_offset = (GLuint) pixels; |
| |
| if (unpack->RowLength > 0) |
| src_stride = unpack->RowLength; |
| else |
| src_stride = width; |
| |
| dst_offset = st_miptree_image_offset(stImage->mt, |
| stImage->face, |
| stImage->level); |
| |
| dst_stride = stImage->mt->pitch; |
| |
| { |
| struct _DriBufferObject *src_buffer = |
| intel_bufferobj_buffer(intel, pbo, INTEL_READ); |
| |
| /* Temporary hack: cast to _DriBufferObject: |
| */ |
| struct _DriBufferObject *dst_buffer = |
| (struct _DriBufferObject *)stImage->mt->region->buffer; |
| |
| |
| intelEmitCopyBlit(intel, |
| stImage->mt->cpp, |
| src_stride, src_buffer, src_offset, |
| dst_stride, dst_buffer, dst_offset, |
| 0, 0, 0, 0, width, height, |
| GL_COPY); |
| } |
| |
| return GL_TRUE; |
| #endif |
| } |
| |
| |
| |
| static GLboolean |
| try_pbo_zcopy(GLcontext *ctx, |
| struct st_texture_image *stImage, |
| const struct gl_pixelstore_attrib *unpack, |
| GLint internalFormat, |
| GLint width, GLint height, |
| GLenum format, GLenum type, const void *pixels) |
| { |
| return GL_FALSE; |
| } |
| |
| |
| |
| |
| |
| |
| static void |
| st_TexImage(GLcontext * ctx, |
| GLint dims, |
| GLenum target, GLint level, |
| GLint internalFormat, |
| GLint width, GLint height, GLint depth, |
| GLint border, |
| GLenum format, GLenum type, const void *pixels, |
| const struct gl_pixelstore_attrib *unpack, |
| struct gl_texture_object *texObj, |
| struct gl_texture_image *texImage, GLsizei imageSize, int compressed) |
| { |
| struct pipe_context *pipe = ctx->st->pipe; |
| struct st_texture_object *stObj = st_texture_object(texObj); |
| struct st_texture_image *stImage = st_texture_image(texImage); |
| GLint postConvWidth = width; |
| GLint postConvHeight = height; |
| GLint texelBytes, sizeInBytes; |
| GLuint dstRowStride; |
| |
| |
| DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__, |
| _mesa_lookup_enum_by_nr(target), level, width, height, depth, border); |
| |
| stImage->face = target_to_face(target); |
| stImage->level = level; |
| |
| if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) { |
| _mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth, |
| &postConvHeight); |
| } |
| |
| /* choose the texture format */ |
| texImage->TexFormat = st_ChooseTextureFormat(ctx, internalFormat, |
| format, type); |
| |
| _mesa_set_fetch_functions(texImage, dims); |
| |
| if (texImage->TexFormat->TexelBytes == 0) { |
| /* must be a compressed format */ |
| texelBytes = 0; |
| texImage->IsCompressed = GL_TRUE; |
| texImage->CompressedSize = |
| ctx->Driver.CompressedTextureSize(ctx, texImage->Width, |
| texImage->Height, texImage->Depth, |
| texImage->TexFormat->MesaFormat); |
| } else { |
| texelBytes = texImage->TexFormat->TexelBytes; |
| |
| /* Minimum pitch of 32 bytes */ |
| if (postConvWidth * texelBytes < 32) { |
| postConvWidth = 32 / texelBytes; |
| texImage->RowStride = postConvWidth; |
| } |
| |
| assert(texImage->RowStride == postConvWidth); |
| } |
| |
| /* Release the reference to a potentially orphaned buffer. |
| * Release any old malloced memory. |
| */ |
| if (stImage->mt) { |
| st_miptree_release(pipe, &stImage->mt); |
| assert(!texImage->Data); |
| } |
| else if (texImage->Data) { |
| _mesa_align_free(texImage->Data); |
| } |
| |
| /* If this is the only texture image in the tree, could call |
| * bmBufferData with NULL data to free the old block and avoid |
| * waiting on any outstanding fences. |
| */ |
| if (stObj->mt && |
| stObj->mt->first_level == level && |
| stObj->mt->last_level == level && |
| stObj->mt->target != PIPE_TEXTURE_CUBE && |
| !st_miptree_match_image(stObj->mt, &stImage->base, |
| stImage->face, stImage->level)) { |
| |
| DBG("release it\n"); |
| st_miptree_release(pipe, &stObj->mt); |
| assert(!stObj->mt); |
| } |
| |
| if (!stObj->mt) { |
| guess_and_alloc_mipmap_tree(pipe, stObj, stImage); |
| if (!stObj->mt) { |
| DBG("guess_and_alloc_mipmap_tree: failed\n"); |
| } |
| } |
| |
| assert(!stImage->mt); |
| |
| if (stObj->mt && |
| st_miptree_match_image(stObj->mt, &stImage->base, |
| stImage->face, stImage->level)) { |
| |
| st_miptree_reference(&stImage->mt, stObj->mt); |
| assert(stImage->mt); |
| } |
| |
| if (!stImage->mt) |
| DBG("XXX: Image did not fit into tree - storing in local memory!\n"); |
| |
| #if 0 /* XXX FIX when st_buffer_objects are in place */ |
| /* PBO fastpaths: |
| */ |
| if (dims <= 2 && |
| stImage->mt && |
| intel_buffer_object(unpack->BufferObj) && |
| check_pbo_format(internalFormat, format, |
| type, stImage->base.TexFormat)) { |
| |
| DBG("trying pbo upload\n"); |
| |
| /* Attempt to texture directly from PBO data (zero copy upload). |
| * |
| * Currently disable as it can lead to worse as well as better |
| * performance (in particular when pipe_region_cow() is |
| * required). |
| */ |
| if (stObj->mt == stImage->mt && |
| stObj->mt->first_level == level && |
| stObj->mt->last_level == level) { |
| |
| if (try_pbo_zcopy(intel, stImage, unpack, |
| internalFormat, |
| width, height, format, type, pixels)) { |
| |
| DBG("pbo zcopy upload succeeded\n"); |
| return; |
| } |
| } |
| |
| |
| /* Otherwise, attempt to use the blitter for PBO image uploads. |
| */ |
| if (try_pbo_upload(intel, stImage, unpack, |
| internalFormat, |
| width, height, format, type, pixels)) { |
| DBG("pbo upload succeeded\n"); |
| return; |
| } |
| |
| DBG("pbo upload failed\n"); |
| } |
| #else |
| (void) try_pbo_upload; |
| (void) check_pbo_format; |
| (void) try_pbo_zcopy; |
| #endif |
| |
| |
| /* intelCopyTexImage calls this function with pixels == NULL, with |
| * the expectation that the mipmap tree will be set up but nothing |
| * more will be done. This is where those calls return: |
| */ |
| if (compressed) { |
| pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels, |
| unpack, |
| "glCompressedTexImage"); |
| } else { |
| pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1, |
| format, type, |
| pixels, unpack, "glTexImage"); |
| } |
| if (!pixels) |
| return; |
| |
| if (stImage->mt) { |
| texImage->Data = st_miptree_image_map(pipe, |
| stImage->mt, |
| stImage->face, |
| stImage->level, |
| &dstRowStride, |
| stImage->base.ImageOffsets); |
| } |
| else { |
| /* Allocate regular memory and store the image there temporarily. */ |
| if (texImage->IsCompressed) { |
| sizeInBytes = texImage->CompressedSize; |
| dstRowStride = |
| _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width); |
| assert(dims != 3); |
| } |
| else { |
| dstRowStride = postConvWidth * texelBytes; |
| sizeInBytes = depth * dstRowStride * postConvHeight; |
| } |
| |
| texImage->Data = malloc(sizeInBytes); |
| } |
| |
| DBG("Upload image %dx%dx%d row_len %x pitch %x\n", |
| width, height, depth, width * texelBytes, dstRowStride); |
| |
| /* Copy data. Would like to know when it's ok for us to eg. use |
| * the blitter to copy. Or, use the hardware to do the format |
| * conversion and copy: |
| */ |
| if (compressed) { |
| memcpy(texImage->Data, pixels, imageSize); |
| } |
| else if (!texImage->TexFormat->StoreImage(ctx, dims, |
| texImage->_BaseFormat, |
| texImage->TexFormat, |
| texImage->Data, |
| 0, 0, 0, /* dstX/Y/Zoffset */ |
| dstRowStride, |
| texImage->ImageOffsets, |
| width, height, depth, |
| format, type, pixels, unpack)) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); |
| } |
| |
| _mesa_unmap_teximage_pbo(ctx, unpack); |
| |
| if (stImage->mt) { |
| st_miptree_image_unmap(pipe, stImage->mt); |
| texImage->Data = NULL; |
| } |
| |
| #if 0 |
| /* GL_SGIS_generate_mipmap -- this can be accelerated now. |
| */ |
| if (level == texObj->BaseLevel && texObj->GenerateMipmap) { |
| intel_generate_mipmap(ctx, target, |
| &ctx->Texture.Unit[ctx->Texture.CurrentUnit], |
| texObj); |
| } |
| #endif |
| } |
| |
| |
| static void |
| st_TexImage3D(GLcontext * ctx, |
| GLenum target, GLint level, |
| GLint internalFormat, |
| GLint width, GLint height, GLint depth, |
| GLint border, |
| GLenum format, GLenum type, const void *pixels, |
| const struct gl_pixelstore_attrib *unpack, |
| struct gl_texture_object *texObj, |
| struct gl_texture_image *texImage) |
| { |
| st_TexImage(ctx, 3, target, level, |
| internalFormat, width, height, depth, border, |
| format, type, pixels, unpack, texObj, texImage, 0, 0); |
| } |
| |
| |
| static void |
| st_TexImage2D(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 *unpack, |
| struct gl_texture_object *texObj, |
| struct gl_texture_image *texImage) |
| { |
| st_TexImage(ctx, 2, target, level, |
| internalFormat, width, height, 1, border, |
| format, type, pixels, unpack, texObj, texImage, 0, 0); |
| } |
| |
| |
| static void |
| st_TexImage1D(GLcontext * ctx, |
| GLenum target, GLint level, |
| GLint internalFormat, |
| GLint width, GLint border, |
| GLenum format, GLenum type, const void *pixels, |
| const struct gl_pixelstore_attrib *unpack, |
| struct gl_texture_object *texObj, |
| struct gl_texture_image *texImage) |
| { |
| st_TexImage(ctx, 1, target, level, |
| internalFormat, width, 1, 1, border, |
| format, type, pixels, unpack, texObj, texImage, 0, 0); |
| } |
| |
| |
| static void |
| st_CompressedTexImage2D( GLcontext *ctx, GLenum target, GLint level, |
| GLint internalFormat, |
| GLint width, GLint height, GLint border, |
| GLsizei imageSize, const GLvoid *data, |
| struct gl_texture_object *texObj, |
| struct gl_texture_image *texImage ) |
| { |
| st_TexImage(ctx, 2, target, level, |
| internalFormat, width, height, 1, border, |
| 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, 1); |
| } |
| |
| |
| /** |
| * Need to map texture image into memory before copying image data, |
| * then unmap it. |
| */ |
| static void |
| st_get_tex_image(GLcontext * ctx, GLenum target, GLint level, |
| GLenum format, GLenum type, GLvoid * pixels, |
| struct gl_texture_object *texObj, |
| struct gl_texture_image *texImage, int compressed) |
| { |
| /* |
| struct intel_context *intel = intel_context(ctx); |
| */ |
| struct pipe_context *pipe = ctx->st->pipe; |
| struct st_texture_image *stImage = st_texture_image(texImage); |
| |
| /* Map */ |
| if (stImage->mt) { |
| /* Image is stored in hardware format in a buffer managed by the |
| * kernel. Need to explicitly map and unmap it. |
| */ |
| stImage->base.Data = |
| st_miptree_image_map(pipe, |
| stImage->mt, |
| stImage->face, |
| stImage->level, |
| &stImage->base.RowStride, |
| stImage->base.ImageOffsets); |
| stImage->base.RowStride /= stImage->mt->cpp; |
| } |
| else { |
| /* Otherwise, the image should actually be stored in |
| * stImage->base.Data. This is pretty confusing for |
| * everybody, I'd much prefer to separate the two functions of |
| * texImage->Data - storage for texture images in main memory |
| * and access (ie mappings) of images. In other words, we'd |
| * create a new texImage->Map field and leave Data simply for |
| * storage. |
| */ |
| assert(stImage->base.Data); |
| } |
| |
| |
| if (compressed) { |
| _mesa_get_compressed_teximage(ctx, target, level, pixels, |
| texObj, texImage); |
| } else { |
| _mesa_get_teximage(ctx, target, level, format, type, pixels, |
| texObj, texImage); |
| } |
| |
| |
| /* Unmap */ |
| if (stImage->mt) { |
| st_miptree_image_unmap(pipe, stImage->mt); |
| stImage->base.Data = NULL; |
| } |
| } |
| |
| |
| static void |
| st_GetTexImage(GLcontext * ctx, GLenum target, GLint level, |
| GLenum format, GLenum type, GLvoid * pixels, |
| struct gl_texture_object *texObj, |
| struct gl_texture_image *texImage) |
| { |
| st_get_tex_image(ctx, target, level, format, type, pixels, |
| texObj, texImage, 0); |
| } |
| |
| |
| static void |
| st_GetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level, |
| GLvoid *pixels, |
| const struct gl_texture_object *texObj, |
| const struct gl_texture_image *texImage) |
| { |
| st_get_tex_image(ctx, target, level, 0, 0, pixels, |
| (struct gl_texture_object *) texObj, |
| (struct gl_texture_image *) texImage, 1); |
| } |
| |
| |
| |
| static void |
| st_TexSubimage(GLcontext * ctx, |
| GLint dims, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint width, GLint height, GLint depth, |
| GLenum format, GLenum type, const void *pixels, |
| const struct gl_pixelstore_attrib *packing, |
| struct gl_texture_object *texObj, |
| struct gl_texture_image *texImage) |
| { |
| struct pipe_context *pipe = ctx->st->pipe; |
| struct st_texture_image *stImage = st_texture_image(texImage); |
| GLuint dstRowStride; |
| |
| DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__, |
| _mesa_lookup_enum_by_nr(target), |
| level, xoffset, yoffset, width, height); |
| |
| pixels = |
| _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format, |
| type, pixels, packing, "glTexSubImage2D"); |
| if (!pixels) |
| return; |
| |
| /* Map buffer if necessary. Need to lock to prevent other contexts |
| * from uploading the buffer under us. |
| */ |
| if (stImage->mt) |
| texImage->Data = st_miptree_image_map(pipe, |
| stImage->mt, |
| stImage->face, |
| stImage->level, |
| &dstRowStride, |
| texImage->ImageOffsets); |
| |
| assert(dstRowStride); |
| |
| if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat, |
| texImage->TexFormat, |
| texImage->Data, |
| xoffset, yoffset, zoffset, |
| dstRowStride, |
| texImage->ImageOffsets, |
| width, height, depth, |
| format, type, pixels, packing)) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage"); |
| } |
| |
| #if 0 |
| /* GL_SGIS_generate_mipmap */ |
| if (level == texObj->BaseLevel && texObj->GenerateMipmap) { |
| _mesa_generate_mipmap(ctx, target, |
| &ctx->Texture.Unit[ctx->Texture.CurrentUnit], |
| texObj); |
| } |
| #endif |
| |
| _mesa_unmap_teximage_pbo(ctx, packing); |
| |
| if (stImage->mt) { |
| st_miptree_image_unmap(pipe, stImage->mt); |
| texImage->Data = NULL; |
| } |
| } |
| |
| |
| |
| static void |
| st_TexSubImage3D(GLcontext * ctx, |
| GLenum target, |
| GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLenum type, |
| const GLvoid * pixels, |
| const struct gl_pixelstore_attrib *packing, |
| struct gl_texture_object *texObj, |
| struct gl_texture_image *texImage) |
| { |
| st_TexSubimage(ctx, 3, target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, type, pixels, packing, texObj, texImage); |
| } |
| |
| |
| |
| static void |
| st_TexSubImage2D(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) |
| { |
| st_TexSubimage(ctx, 2, target, level, |
| xoffset, yoffset, 0, |
| width, height, 1, |
| format, type, pixels, packing, texObj, texImage); |
| } |
| |
| |
| static void |
| st_TexSubImage1D(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) |
| { |
| st_TexSubimage(ctx, 1, target, level, |
| xoffset, 0, 0, |
| width, 1, 1, |
| format, type, pixels, packing, texObj, texImage); |
| } |
| |
| |
| |
| /** |
| * Return 0 for GL_TEXTURE_CUBE_MAP_POSITIVE_X, |
| * 1 for GL_TEXTURE_CUBE_MAP_NEGATIVE_X, |
| * etc. |
| * XXX duplicated from main/teximage.c |
| */ |
| static uint |
| texture_face(GLenum target) |
| { |
| if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) |
| return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X; |
| else |
| return 0; |
| } |
| |
| |
| |
| /** |
| * Do a CopyTexSubImage operation by mapping the source region and |
| * dest region and using get_tile()/put_tile() to access the pixels/texels. |
| * |
| * Note: srcY=0=TOP of renderbuffer |
| */ |
| static void |
| fallback_copy_texsubimage(GLcontext *ctx, |
| GLenum target, |
| GLint level, |
| struct st_renderbuffer *strb, |
| struct st_texture_image *stImage, |
| GLenum baseFormat, |
| GLint destX, GLint destY, GLint destZ, |
| GLint srcX, GLint srcY, |
| GLsizei width, GLsizei height) |
| { |
| struct pipe_context *pipe = ctx->st->pipe; |
| const uint face = texture_face(target); |
| struct pipe_mipmap_tree *mt = stImage->mt; |
| struct pipe_surface *src_surf, *dest_surf; |
| GLfloat *data; |
| GLint row, yStep; |
| |
| /* determine bottom-to-top vs. top-to-bottom order */ |
| if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { |
| destY = height - 1 - destY; |
| yStep = -1; |
| } |
| else { |
| yStep = 1; |
| } |
| |
| src_surf = strb->surface; |
| |
| dest_surf = pipe->get_tex_surface(pipe, mt, |
| face, level, destZ); |
| |
| (void) pipe->region_map(pipe, dest_surf->region); |
| (void) pipe->region_map(pipe, src_surf->region); |
| |
| /* buffer for one row */ |
| data = (GLfloat *) malloc(width * 4 * sizeof(GLfloat)); |
| |
| /* do copy row by row */ |
| for (row = 0; row < height; row++) { |
| pipe->get_tile_rgba(pipe, src_surf, srcX, srcY + row, width, 1, data); |
| |
| /* XXX we're ignoring convolution for now */ |
| if (ctx->_ImageTransferState) { |
| _mesa_apply_rgba_transfer_ops(ctx, |
| ctx->_ImageTransferState & ~IMAGE_CONVOLUTION_BIT, |
| width, (GLfloat (*)[4])data); |
| } |
| |
| pipe->put_tile_rgba(pipe, dest_surf, destX, destY, width, 1, data); |
| destY += yStep; |
| } |
| |
| |
| (void) pipe->region_unmap(pipe, dest_surf->region); |
| (void) pipe->region_unmap(pipe, src_surf->region); |
| |
| free(data); |
| } |
| |
| |
| |
| |
| /** |
| * Do a CopyTex[Sub]Image using an optimized hardware (blit) path. |
| * Note that the region to copy has already been clip tested. |
| * |
| * Note: srcY=0=Bottom of renderbuffer |
| * |
| * \return GL_TRUE if success, GL_FALSE if failure (use a fallback) |
| */ |
| static void |
| do_copy_texsubimage(GLcontext *ctx, |
| GLenum target, GLint level, |
| GLint destX, GLint destY, GLint destZ, |
| GLint srcX, GLint srcY, |
| GLsizei width, GLsizei height) |
| { |
| struct gl_texture_unit *texUnit = |
| &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| struct gl_texture_object *texObj = |
| _mesa_select_tex_object(ctx, texUnit, target); |
| struct gl_texture_image *texImage = |
| _mesa_select_tex_image(ctx, texObj, target, level); |
| struct st_texture_image *stImage = st_texture_image(texImage); |
| GLenum baseFormat = texImage->InternalFormat; |
| struct gl_framebuffer *fb = ctx->ReadBuffer; |
| struct st_renderbuffer *strb; |
| struct pipe_context *pipe = ctx->st->pipe; |
| struct pipe_region *src_region, *dest_region; |
| uint dest_format, src_format; |
| |
| (void) texImage; |
| |
| /* determine if copying depth or color data */ |
| if (baseFormat == GL_DEPTH_COMPONENT) { |
| strb = st_renderbuffer(fb->_DepthBuffer); |
| } |
| else if (baseFormat == GL_DEPTH_STENCIL_EXT) { |
| strb = st_renderbuffer(fb->_StencilBuffer); |
| } |
| else { |
| /* baseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */ |
| strb = st_renderbuffer(fb->_ColorReadBuffer); |
| } |
| |
| assert(strb); |
| assert(strb->surface); |
| assert(stImage->mt); |
| |
| if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { |
| srcY = strb->Base.Height - srcY - height; |
| } |
| |
| src_format = strb->surface->format; |
| dest_format = stImage->mt->format; |
| |
| src_region = strb->surface->region; |
| dest_region = stImage->mt->region; |
| |
| if (src_format == dest_format && |
| ctx->_ImageTransferState == 0x0 && |
| src_region && |
| dest_region && |
| strb->surface->cpp == stImage->mt->cpp) { |
| /* do blit-style copy */ |
| struct pipe_surface *dest_surface = pipe->get_tex_surface(pipe, |
| stImage->mt, |
| stImage->face, |
| stImage->level, |
| destZ); |
| |
| /* XXX may need to invert image depending on window |
| * vs. user-created FBO |
| */ |
| |
| #if 0 |
| /* A bit of fiddling to get the blitter to work with -ve |
| * pitches. But we get a nice inverted blit this way, so it's |
| * worth it: |
| */ |
| intelEmitCopyBlit(intel, |
| stImage->mt->cpp, |
| -src->pitch, |
| src->buffer, |
| src->height * src->pitch * src->cpp, |
| stImage->mt->pitch, |
| stImage->mt->region->buffer, |
| dest_offset, |
| x, y + height, dstx, dsty, width, height, |
| GL_COPY); /* ? */ |
| #else |
| |
| pipe->surface_copy(pipe, |
| /* dest */ |
| dest_surface, |
| destX, destY, |
| /* src */ |
| strb->surface, |
| srcX, srcY, |
| /* size */ |
| width, height); |
| #endif |
| |
| pipe_surface_reference(&dest_surface, NULL); |
| } |
| else { |
| fallback_copy_texsubimage(ctx, target, level, |
| strb, stImage, baseFormat, |
| destX, destY, destZ, |
| srcX, srcY, width, height); |
| } |
| |
| |
| #if 0 |
| /* GL_SGIS_generate_mipmap -- this can be accelerated now. |
| * XXX Add a ctx->Driver.GenerateMipmaps() function? |
| */ |
| if (level == texObj->BaseLevel && texObj->GenerateMipmap) { |
| intel_generate_mipmap(ctx, target, |
| &ctx->Texture.Unit[ctx->Texture.CurrentUnit], |
| texObj); |
| } |
| #endif |
| |
| } |
| |
| |
| |
| static void |
| st_CopyTexImage1D(GLcontext * ctx, GLenum target, GLint level, |
| GLenum internalFormat, |
| GLint x, GLint y, GLsizei width, GLint border) |
| { |
| struct gl_texture_unit *texUnit = |
| &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| struct gl_texture_object *texObj = |
| _mesa_select_tex_object(ctx, texUnit, target); |
| struct gl_texture_image *texImage = |
| _mesa_select_tex_image(ctx, texObj, target, level); |
| |
| #if 0 |
| if (border) |
| goto fail; |
| #endif |
| |
| /* Setup or redefine the texture object, mipmap tree and texture |
| * image. Don't populate yet. |
| */ |
| ctx->Driver.TexImage1D(ctx, target, level, internalFormat, |
| width, border, |
| GL_RGBA, CHAN_TYPE, NULL, |
| &ctx->DefaultPacking, texObj, texImage); |
| |
| do_copy_texsubimage(ctx, target, level, |
| 0, 0, 0, |
| x, y, width, 1); |
| } |
| |
| |
| static void |
| st_CopyTexImage2D(GLcontext * ctx, GLenum target, GLint level, |
| GLenum internalFormat, |
| GLint x, GLint y, GLsizei width, GLsizei height, |
| GLint border) |
| { |
| struct gl_texture_unit *texUnit = |
| &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| struct gl_texture_object *texObj = |
| _mesa_select_tex_object(ctx, texUnit, target); |
| struct gl_texture_image *texImage = |
| _mesa_select_tex_image(ctx, texObj, target, level); |
| |
| #if 0 |
| if (border) |
| goto fail; |
| #endif |
| |
| /* Setup or redefine the texture object, mipmap tree and texture |
| * image. Don't populate yet. |
| */ |
| ctx->Driver.TexImage2D(ctx, target, level, internalFormat, |
| width, height, border, |
| GL_RGBA, CHAN_TYPE, NULL, |
| &ctx->DefaultPacking, texObj, texImage); |
| |
| |
| do_copy_texsubimage(ctx, target, level, |
| 0, 0, 0, |
| x, y, width, height); |
| } |
| |
| |
| static void |
| st_CopyTexSubImage1D(GLcontext * ctx, GLenum target, GLint level, |
| GLint xoffset, GLint x, GLint y, GLsizei width) |
| { |
| const GLint yoffset = 0, zoffset = 0; |
| const GLsizei height = 1; |
| do_copy_texsubimage(ctx, target, level, |
| xoffset, yoffset, zoffset, |
| x, y, width, height); |
| } |
| |
| |
| static void |
| st_CopyTexSubImage2D(GLcontext * ctx, GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, |
| GLint x, GLint y, GLsizei width, GLsizei height) |
| { |
| const GLint zoffset = 0; |
| do_copy_texsubimage(ctx, target, level, |
| xoffset, yoffset, zoffset, |
| x, y, width, height); |
| } |
| |
| |
| static void |
| st_CopyTexSubImage3D(GLcontext * ctx, GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint x, GLint y, GLsizei width, GLsizei height) |
| { |
| do_copy_texsubimage(ctx, target, level, |
| xoffset, yoffset, zoffset, |
| x, y, width, height); |
| } |
| |
| |
| |
| |
| /** |
| * Compute which mipmap levels that really need to be sent 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. |
| */ |
| static void |
| calculate_first_last_level(struct st_texture_object *stObj) |
| { |
| struct gl_texture_object *tObj = &stObj->base; |
| const struct gl_texture_image *const baseImage = |
| tObj->Image[0][tObj->BaseLevel]; |
| |
| /* These must be signed values. MinLod and MaxLod can be negative numbers, |
| * and having firstLevel and lastLevel as signed prevents the need for |
| * extra sign checks. |
| */ |
| int firstLevel; |
| int lastLevel; |
| |
| /* Yes, this looks overly complicated, but it's all needed. |
| */ |
| switch (tObj->Target) { |
| case GL_TEXTURE_1D: |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_3D: |
| case GL_TEXTURE_CUBE_MAP: |
| if (tObj->MinFilter == GL_NEAREST || tObj->MinFilter == GL_LINEAR) { |
| /* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL. |
| */ |
| 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 */ |
| } |
| break; |
| case GL_TEXTURE_RECTANGLE_NV: |
| case GL_TEXTURE_4D_SGIS: |
| firstLevel = lastLevel = 0; |
| break; |
| default: |
| return; |
| } |
| |
| /* save these values */ |
| stObj->firstLevel = firstLevel; |
| stObj->lastLevel = lastLevel; |
| } |
| |
| |
| static void |
| copy_image_data_to_tree(struct pipe_context *pipe, |
| struct st_texture_object *stObj, |
| struct st_texture_image *stImage) |
| { |
| if (stImage->mt) { |
| /* Copy potentially with the blitter: |
| */ |
| st_miptree_image_copy(pipe, |
| stObj->mt, /* dest miptree */ |
| stImage->face, stImage->level, |
| stImage->mt /* src miptree */ |
| ); |
| |
| st_miptree_release(pipe, &stImage->mt); |
| } |
| else { |
| assert(stImage->base.Data != NULL); |
| |
| /* More straightforward upload. |
| */ |
| st_miptree_image_data(pipe, |
| stObj->mt, |
| stImage->face, |
| stImage->level, |
| stImage->base.Data, |
| stImage->base.RowStride, |
| stImage->base.RowStride * |
| stImage->base.Height); |
| _mesa_align_free(stImage->base.Data); |
| stImage->base.Data = NULL; |
| } |
| |
| st_miptree_reference(&stImage->mt, stObj->mt); |
| } |
| |
| |
| /* |
| */ |
| GLboolean |
| st_finalize_mipmap_tree(GLcontext *ctx, |
| struct pipe_context *pipe, GLuint unit, |
| GLboolean *needFlush) |
| { |
| struct gl_texture_object *tObj = ctx->Texture.Unit[unit]._Current; |
| struct st_texture_object *stObj = st_texture_object(tObj); |
| int comp_byte = 0; |
| int cpp; |
| |
| GLuint face, i; |
| GLuint nr_faces = 0; |
| struct st_texture_image *firstImage; |
| |
| *needFlush = GL_FALSE; |
| |
| /* We know/require this is true by now: |
| */ |
| assert(stObj->base._Complete); |
| |
| /* What levels must the tree include at a minimum? |
| */ |
| calculate_first_last_level(stObj); |
| firstImage = |
| st_texture_image(stObj->base.Image[0][stObj->firstLevel]); |
| |
| /* Fallback case: |
| */ |
| if (firstImage->base.Border) { |
| if (stObj->mt) { |
| st_miptree_release(pipe, &stObj->mt); |
| } |
| return GL_FALSE; |
| } |
| |
| |
| /* If both firstImage and stObj have a tree which can contain |
| * all active images, favour firstImage. Note that because of the |
| * completeness requirement, we know that the image dimensions |
| * will match. |
| */ |
| if (firstImage->mt && |
| firstImage->mt != stObj->mt && |
| firstImage->mt->first_level <= stObj->firstLevel && |
| firstImage->mt->last_level >= stObj->lastLevel) { |
| |
| if (stObj->mt) |
| st_miptree_release(pipe, &stObj->mt); |
| |
| st_miptree_reference(&stObj->mt, firstImage->mt); |
| } |
| |
| if (firstImage->base.IsCompressed) { |
| comp_byte = compressed_num_bytes(firstImage->base.TexFormat->MesaFormat); |
| cpp = comp_byte; |
| } |
| else { |
| cpp = firstImage->base.TexFormat->TexelBytes; |
| } |
| |
| /* Check tree can hold all active levels. Check tree matches |
| * target, imageFormat, etc. |
| * |
| * XXX: For some layouts (eg i945?), the test might have to be |
| * first_level == firstLevel, as the tree isn't valid except at the |
| * original start level. Hope to get around this by |
| * programming minLod, maxLod, baseLevel into the hardware and |
| * leaving the tree alone. |
| */ |
| if (stObj->mt && |
| (stObj->mt->target != gl_target_to_pipe(stObj->base.Target) || |
| stObj->mt->internal_format != firstImage->base.InternalFormat || |
| stObj->mt->first_level != stObj->firstLevel || |
| stObj->mt->last_level != stObj->lastLevel || |
| stObj->mt->width0 != firstImage->base.Width || |
| stObj->mt->height0 != firstImage->base.Height || |
| stObj->mt->depth0 != firstImage->base.Depth || |
| stObj->mt->cpp != cpp || |
| stObj->mt->compressed != firstImage->base.IsCompressed)) { |
| st_miptree_release(pipe, &stObj->mt); |
| } |
| |
| |
| /* May need to create a new tree: |
| */ |
| if (!stObj->mt) { |
| stObj->mt = st_miptree_create(pipe, |
| gl_target_to_pipe(stObj->base.Target), |
| firstImage->base.InternalFormat, |
| stObj->firstLevel, |
| stObj->lastLevel, |
| firstImage->base.Width, |
| firstImage->base.Height, |
| firstImage->base.Depth, |
| cpp, |
| comp_byte); |
| |
| stObj->mt->format |
| = st_mesa_format_to_pipe_format(firstImage->base.TexFormat->MesaFormat); |
| } |
| |
| /* Pull in any images not in the object's tree: |
| */ |
| nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; |
| for (face = 0; face < nr_faces; face++) { |
| for (i = stObj->firstLevel; i <= stObj->lastLevel; i++) { |
| struct st_texture_image *stImage = |
| st_texture_image(stObj->base.Image[face][i]); |
| |
| /* Need to import images in main memory or held in other trees. |
| */ |
| if (stObj->mt != stImage->mt) { |
| copy_image_data_to_tree(pipe, stObj, stImage); |
| *needFlush = GL_TRUE; |
| } |
| } |
| } |
| |
| |
| return GL_TRUE; |
| } |
| |
| |
| |
| |
| void |
| st_init_texture_functions(struct dd_function_table *functions) |
| { |
| functions->ChooseTextureFormat = st_ChooseTextureFormat; |
| functions->TexImage1D = st_TexImage1D; |
| functions->TexImage2D = st_TexImage2D; |
| functions->TexImage3D = st_TexImage3D; |
| functions->TexSubImage1D = st_TexSubImage1D; |
| functions->TexSubImage2D = st_TexSubImage2D; |
| functions->TexSubImage3D = st_TexSubImage3D; |
| functions->CopyTexImage1D = st_CopyTexImage1D; |
| functions->CopyTexImage2D = st_CopyTexImage2D; |
| functions->CopyTexSubImage1D = st_CopyTexSubImage1D; |
| functions->CopyTexSubImage2D = st_CopyTexSubImage2D; |
| functions->CopyTexSubImage3D = st_CopyTexSubImage3D; |
| |
| functions->GetTexImage = st_GetTexImage; |
| |
| /* compressed texture functions */ |
| functions->CompressedTexImage2D = st_CompressedTexImage2D; |
| functions->GetCompressedTexImage = st_GetCompressedTexImage; |
| |
| functions->NewTextureObject = st_NewTextureObject; |
| functions->NewTextureImage = st_NewTextureImage; |
| functions->DeleteTexture = st_DeleteTextureObject; |
| functions->FreeTexImageData = st_FreeTextureImageData; |
| functions->UpdateTexturePalette = 0; |
| functions->IsTextureResident = st_IsTextureResident; |
| |
| functions->TextureMemCpy = do_memcpy; |
| |
| /* XXX Temporary until we can query pipe's texture sizes */ |
| functions->TestProxyTexImage = _mesa_test_proxy_teximage; |
| } |