X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_cb_texture.c;h=90a059ca69a5769ca509fabc06180f3d4d9e1f05;hb=fe988d786c4076bfbf410b84085d8c1115baa489;hp=d08229b57a329287702d2b8ab1376d7e81e143a3;hpb=ee0735fa2d4b2d2a9eae1f55e8f93f1f57feaf6d;p=mesa.git diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c index d08229b57a3..90a059ca69a 100644 --- a/src/mesa/state_tracker/st_cb_texture.c +++ b/src/mesa/state_tracker/st_cb_texture.c @@ -25,17 +25,20 @@ * **************************************************************************/ -#include "main/imports.h" +#include "main/mfeatures.h" +#include "main/bufferobj.h" #if FEATURE_convolve #include "main/convolve.h" #endif #include "main/enums.h" #include "main/image.h" +#include "main/imports.h" #include "main/macros.h" #include "main/mipmap.h" #include "main/pixel.h" #include "main/texcompress.h" #include "main/texformat.h" +#include "main/texgetimage.h" #include "main/teximage.h" #include "main/texobj.h" #include "main/texstore.h" @@ -47,12 +50,16 @@ #include "state_tracker/st_public.h" #include "state_tracker/st_texture.h" #include "state_tracker/st_gen_mipmap.h" +#include "state_tracker/st_inlines.h" +#include "state_tracker/st_atom.h" #include "pipe/p_context.h" #include "pipe/p_defines.h" #include "pipe/p_inlines.h" #include "util/u_tile.h" #include "util/u_blit.h" +#include "util/u_surface.h" +#include "util/u_math.h" #define DBG if (0) printf @@ -86,7 +93,7 @@ gl_target_to_pipe(GLenum target) * Return nominal bytes per texel for a compressed format, 0 for non-compressed * format. */ -static int +static GLuint compressed_num_bytes(GLuint mesaFormat) { switch(mesaFormat) { @@ -108,13 +115,32 @@ compressed_num_bytes(GLuint mesaFormat) } +static GLboolean +is_compressed_mesa_format(const struct gl_texture_format *format) +{ + switch (format->MesaFormat) { + case MESA_FORMAT_RGB_DXT1: + case MESA_FORMAT_RGBA_DXT1: + case MESA_FORMAT_RGBA_DXT3: + case MESA_FORMAT_RGBA_DXT5: + case MESA_FORMAT_SRGB_DXT1: + case MESA_FORMAT_SRGBA_DXT1: + case MESA_FORMAT_SRGBA_DXT3: + case MESA_FORMAT_SRGBA_DXT5: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + /** called via ctx->Driver.NewTextureImage() */ 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); + return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image); } @@ -122,7 +148,7 @@ st_NewTextureImage(GLcontext * ctx) static struct gl_texture_object * st_NewTextureObject(GLcontext * ctx, GLuint name, GLenum target) { - struct st_texture_object *obj = CALLOC_STRUCT(st_texture_object); + struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object); DBG("%s\n", __FUNCTION__); _mesa_initialize_texture_object(&obj->base, name, target); @@ -167,7 +193,7 @@ st_FreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage) * than COPY_DWORDS would: * XXX Put this in src/mesa/main/imports.h ??? */ -#if defined(i386) || defined(__i386__) +#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86) static INLINE void * __memcpy(void *to, const void *from, size_t n) { @@ -204,7 +230,7 @@ __memcpy(void *to, const void *from, size_t n) static void * do_memcpy(void *dest, const void *src, size_t n) { - if ((((unsigned) src) & 63) || (((unsigned) dest) & 63)) { + if ((((unsigned long) src) & 63) || (((unsigned long) dest) & 63)) { return __memcpy(dest, src, n); } else @@ -212,15 +238,18 @@ do_memcpy(void *dest, const void *src, size_t n) } -static int -logbase2(int n) +/** + * Return default texture usage bitmask for the given texture format. + */ +static GLuint +default_usage(enum pipe_format fmt) { - GLint i = 1, log2 = 0; - while (n > i) { - i *= 2; - log2++; - } - return log2; + GLuint usage = PIPE_TEXTURE_USAGE_SAMPLER; + if (pf_is_depth_stencil(fmt)) + usage |= PIPE_TEXTURE_USAGE_DEPTH_STENCIL; + else + usage |= PIPE_TEXTURE_USAGE_RENDER_TARGET; + return usage; } @@ -248,7 +277,7 @@ guess_and_alloc_texture(struct st_context *st, GLuint width = stImage->base.Width2; /* size w/out border */ GLuint height = stImage->base.Height2; GLuint depth = stImage->base.Depth2; - GLuint i, comp_byte = 0; + GLuint i, usage; enum pipe_format fmt; DBG("%s\n", __FUNCTION__); @@ -295,21 +324,23 @@ guess_and_alloc_texture(struct st_context *st, * pagetable arrangements. */ if ((stObj->base.MinFilter == GL_NEAREST || - stObj->base.MinFilter == GL_LINEAR) && + stObj->base.MinFilter == GL_LINEAR || + stImage->base._BaseFormat == GL_DEPTH_COMPONENT || + stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) && stImage->level == firstLevel) { lastLevel = firstLevel; } else { - GLuint l2width = logbase2(width); - GLuint l2height = logbase2(height); - GLuint l2depth = logbase2(depth); + GLuint l2width = util_logbase2(width); + GLuint l2height = util_logbase2(height); + GLuint l2depth = util_logbase2(depth); lastLevel = firstLevel + MAX2(MAX2(l2width, l2height), l2depth); } - if (stImage->base.IsCompressed) - comp_byte = compressed_num_bytes(stImage->base.TexFormat->MesaFormat); - fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat->MesaFormat); + + usage = default_usage(fmt); + stObj->pt = st_texture_create(st, gl_target_to_pipe(stObj->base.Target), fmt, @@ -317,11 +348,7 @@ guess_and_alloc_texture(struct st_context *st, width, height, depth, - comp_byte, - ( (pf_is_depth_stencil(fmt) ? - PIPE_TEXTURE_USAGE_DEPTH_STENCIL : - PIPE_TEXTURE_USAGE_RENDER_TARGET) | - PIPE_TEXTURE_USAGE_SAMPLER )); + usage); DBG("%s - success\n", __FUNCTION__); } @@ -365,6 +392,109 @@ strip_texture_border(GLint border, } +/** + * Try to do texture compression via rendering. If the Gallium driver + * can render into a compressed surface this will allow us to do texture + * compression. + * \return GL_TRUE for success, GL_FALSE for failure + */ +static GLboolean +compress_with_blit(GLcontext * ctx, + 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 *unpack, + struct gl_texture_image *texImage) +{ + const GLuint dstImageOffsets[1] = {0}; + struct st_texture_image *stImage = st_texture_image(texImage); + struct pipe_screen *screen = ctx->st->pipe->screen; + const struct gl_texture_format *mesa_format; + struct pipe_texture templ; + struct pipe_texture *src_tex; + struct pipe_surface *dst_surface; + struct pipe_transfer *tex_xfer; + void *map; + + + if (!stImage->pt) { + /* XXX: Can this happen? Should we assert? */ + return GL_FALSE; + } + + /* get destination surface (in the compressed texture) */ + dst_surface = screen->get_tex_surface(screen, stImage->pt, + stImage->face, stImage->level, 0, + PIPE_BUFFER_USAGE_GPU_WRITE); + if (!dst_surface) { + /* can't render into this format (or other problem) */ + return GL_FALSE; + } + + /* Choose format for the temporary RGBA texture image. + */ + mesa_format = st_ChooseTextureFormat(ctx, GL_RGBA, format, type); + assert(mesa_format); + if (!mesa_format) + return GL_FALSE; + + /* Create the temporary source texture + */ + memset(&templ, 0, sizeof(templ)); + templ.target = PIPE_TEXTURE_2D; + templ.format = st_mesa_format_to_pipe_format(mesa_format->MesaFormat); + pf_get_block(templ.format, &templ.block); + templ.width[0] = width; + templ.height[0] = height; + templ.depth[0] = 1; + templ.last_level = 0; + templ.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER; + src_tex = screen->texture_create(screen, &templ); + + if (!src_tex) + return GL_FALSE; + + /* Put user's tex data into the temporary texture + */ + tex_xfer = st_cond_flush_get_tex_transfer(st_context(ctx), src_tex, + 0, 0, 0, /* face, level are zero */ + PIPE_TRANSFER_WRITE, + 0, 0, width, height); /* x, y, w, h */ + map = screen->transfer_map(screen, tex_xfer); + + mesa_format->StoreImage(ctx, 2, GL_RGBA, mesa_format, + map, /* dest ptr */ + 0, 0, 0, /* dest x/y/z offset */ + tex_xfer->stride, /* dest row stride (bytes) */ + dstImageOffsets, /* image offsets (for 3D only) */ + width, height, 1, /* size */ + format, type, /* source format/type */ + pixels, /* source data */ + unpack); /* source data packing */ + + screen->transfer_unmap(screen, tex_xfer); + screen->tex_transfer_destroy(tex_xfer); + + /* copy / compress image */ + util_blit_pixels_tex(ctx->st->blit, + src_tex, /* pipe_texture (src) */ + 0, 0, /* src x0, y0 */ + width, height, /* src x1, y1 */ + dst_surface, /* pipe_surface (dst) */ + xoffset, yoffset, /* dst x0, y0 */ + xoffset + width, /* dst x1 */ + yoffset + height, /* dst y1 */ + 0.0, /* z */ + PIPE_TEX_MIPFILTER_NEAREST); + + pipe_surface_reference(&dst_surface, NULL); + pipe_texture_reference(&src_tex, NULL); + + return GL_TRUE; +} + + /** * Do glTexImage1/2/3D(). */ @@ -379,22 +509,29 @@ st_TexImage(GLcontext * ctx, const struct gl_pixelstore_attrib *unpack, struct gl_texture_object *texObj, struct gl_texture_image *texImage, - GLsizei imageSize, int compressed) + GLsizei imageSize, GLboolean compressed_src) { + struct pipe_screen *screen = ctx->st->pipe->screen; struct st_texture_object *stObj = st_texture_object(texObj); struct st_texture_image *stImage = st_texture_image(texImage); GLint postConvWidth, postConvHeight; GLint texelBytes, sizeInBytes; GLuint dstRowStride; struct gl_pixelstore_attrib unpackNB; + enum pipe_transfer_usage transfer_usage; DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__, _mesa_lookup_enum_by_nr(target), level, width, height, depth, border); + /* switch to "normal" */ + if (stObj->surface_based) { + _mesa_clear_texture_object(ctx, texObj); + stObj->surface_based = GL_FALSE; + } + /* gallium does not support texture borders, strip it off */ if (border) { - strip_texture_border(border, &width, &height, &depth, - unpack, &unpackNB); + strip_texture_border(border, &width, &height, &depth, unpack, &unpackNB); unpack = &unpackNB; texImage->Width = width; texImage->Height = height; @@ -464,18 +601,18 @@ st_TexImage(GLcontext * ctx, * bmBufferData with NULL data to free the old block and avoid * waiting on any outstanding fences. */ - if (stObj->pt && - (stObj->teximage_realloc || - (/*stObj->pt->first_level == level &&*/ - stObj->pt->last_level == level && - stObj->pt->target != PIPE_TEXTURE_CUBE && - !st_texture_match_image(stObj->pt, &stImage->base, - stImage->face, stImage->level)))) { - - DBG("release it\n"); - pipe_texture_reference(&stObj->pt, NULL); - assert(!stObj->pt); - stObj->teximage_realloc = FALSE; + if (stObj->pt) { + if (stObj->teximage_realloc || + level > (GLint) stObj->pt->last_level || + (stObj->pt->last_level == level && + stObj->pt->target != PIPE_TEXTURE_CUBE && + !st_texture_match_image(stObj->pt, &stImage->base, + stImage->face, stImage->level))) { + DBG("release it\n"); + pipe_texture_reference(&stObj->pt, NULL); + assert(!stObj->pt); + stObj->teximage_realloc = FALSE; + } } if (!stObj->pt) { @@ -510,11 +647,12 @@ st_TexImage(GLcontext * ctx, * the expectation that the texture will be set up but nothing * more will be done. This is where those calls return: */ - if (compressed) { + if (compressed_src) { pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels, unpack, "glCompressedTexImage"); - } else { + } + else { pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1, format, type, pixels, unpack, "glTexImage"); @@ -522,11 +660,34 @@ st_TexImage(GLcontext * ctx, if (!pixels) return; + /* See if we can do texture compression with a blit/render. + */ + if (!compressed_src && + !ctx->Mesa_DXTn && + is_compressed_mesa_format(texImage->TexFormat) && + screen->is_format_supported(screen, + stImage->pt->format, + stImage->pt->target, + PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) { + if (compress_with_blit(ctx, target, level, 0, 0, 0, width, height, depth, + format, type, pixels, unpack, texImage)) { + goto done; + } + } + if (stImage->pt) { + if (format == GL_DEPTH_COMPONENT && + pf_is_depth_and_stencil(stImage->pt->format)) + transfer_usage = PIPE_TRANSFER_READ_WRITE; + else + transfer_usage = PIPE_TRANSFER_WRITE; + texImage->Data = st_texture_image_map(ctx->st, stImage, 0, - PIPE_BUFFER_USAGE_CPU_WRITE); - if (stImage->surface) - dstRowStride = stImage->surface->stride; + transfer_usage, 0, 0, + stImage->base.Width, + stImage->base.Height); + if(stImage->transfer) + dstRowStride = stImage->transfer->stride; } else { /* Allocate regular memory and store the image there temporarily. */ @@ -556,16 +717,16 @@ st_TexImage(GLcontext * ctx, * the blitter to copy. Or, use the hardware to do the format * conversion and copy: */ - if (compressed) { + if (compressed_src) { memcpy(texImage->Data, pixels, imageSize); } else { - GLuint srcImageStride = _mesa_image_image_stride(unpack, width, height, - format, type); - int i; + const GLuint srcImageStride = + _mesa_image_image_stride(unpack, width, height, format, type); + GLint i; const GLubyte *src = (const GLubyte *) pixels; - for (i = 0; i++ < depth;) { + for (i = 0; i < depth; i++) { if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat, texImage->TexFormat, @@ -578,10 +739,14 @@ st_TexImage(GLcontext * ctx, _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); } - if (stImage->pt && i < depth) { + if (stImage->pt && i + 1 < depth) { + /* unmap this slice */ st_texture_image_unmap(ctx->st, stImage); - texImage->Data = st_texture_image_map(ctx->st, stImage, i, - PIPE_BUFFER_USAGE_CPU_WRITE); + /* map next slice of 3D texture */ + texImage->Data = st_texture_image_map(ctx->st, stImage, i + 1, + transfer_usage, 0, 0, + stImage->base.Width, + stImage->base.Height); src += srcImageStride; } } @@ -589,7 +754,8 @@ st_TexImage(GLcontext * ctx, _mesa_unmap_teximage_pbo(ctx, unpack); - if (stImage->pt) { +done: + if (stImage->pt && texImage->Data) { st_texture_image_unmap(ctx->st, stImage); texImage->Data = NULL; } @@ -611,9 +777,9 @@ st_TexImage3D(GLcontext * ctx, 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); + st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth, + border, format, type, pixels, unpack, texObj, texImage, + 0, GL_FALSE); } @@ -627,9 +793,8 @@ st_TexImage2D(GLcontext * ctx, 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); + st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, + format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); } @@ -643,9 +808,8 @@ st_TexImage1D(GLcontext * ctx, 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); + st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border, + format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); } @@ -657,12 +821,96 @@ st_CompressedTexImage2D(GLcontext *ctx, GLenum target, GLint level, 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); + st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, + 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE); } + +/** + * glGetTexImage() helper: decompress a compressed texture by rendering + * a textured quad. Store the results in the user's buffer. + */ +static void +decompress_with_blit(GLcontext * ctx, GLenum target, GLint level, + GLenum format, GLenum type, GLvoid *pixels, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + struct pipe_screen *screen = ctx->st->pipe->screen; + struct st_texture_image *stImage = st_texture_image(texImage); + const GLuint width = texImage->Width; + const GLuint height = texImage->Height; + struct pipe_surface *dst_surface; + struct pipe_texture *dst_texture; + struct pipe_transfer *tex_xfer; + + /* create temp / dest surface */ + if (!util_create_rgba_surface(screen, width, height, + &dst_texture, &dst_surface)) { + _mesa_problem(ctx, "util_create_rgba_surface() failed " + "in decompress_with_blit()"); + return; + } + + /* blit/render/decompress */ + util_blit_pixels_tex(ctx->st->blit, + stImage->pt, /* pipe_texture (src) */ + 0, 0, /* src x0, y0 */ + width, height, /* src x1, y1 */ + dst_surface, /* pipe_surface (dst) */ + 0, 0, /* dst x0, y0 */ + width, height, /* dst x1, y1 */ + 0.0, /* z */ + PIPE_TEX_MIPFILTER_NEAREST); + + /* map the dst_surface so we can read from it */ + tex_xfer = st_cond_flush_get_tex_transfer(st_context(ctx), + dst_texture, 0, 0, 0, + PIPE_TRANSFER_READ, + 0, 0, width, height); + + pixels = _mesa_map_readpix_pbo(ctx, &ctx->Pack, pixels); + + /* copy/pack data into user buffer */ + if (st_equal_formats(stImage->pt->format, format, type)) { + /* memcpy */ + const uint bytesPerRow = width * pf_get_size(stImage->pt->format); + ubyte *map = screen->transfer_map(screen, tex_xfer); + GLuint row; + for (row = 0; row < height; row++) { + GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, + height, format, type, row, 0); + memcpy(dest, map, bytesPerRow); + map += tex_xfer->stride; + } + screen->transfer_unmap(screen, tex_xfer); + } + else { + /* format translation via floats */ + GLuint row; + for (row = 0; row < height; row++) { + const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */ + GLfloat rgba[4 * MAX_WIDTH]; + GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, + height, format, type, row, 0); + + /* get float[4] rgba row from surface */ + pipe_get_tile_rgba(tex_xfer, 0, row, width, 1, rgba); + + _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, + type, dest, &ctx->Pack, transferOps); + } + } + + _mesa_unmap_readpix_pbo(ctx, &ctx->Pack); + + /* destroy the temp / dest surface */ + util_destroy_rgba_surface(dst_texture, dst_surface); +} + + + /** * Need to map texture image into memory before copying image data, * then unmap it. @@ -671,25 +919,42 @@ 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 gl_texture_image *texImage, GLboolean compressed_dst) { struct st_texture_image *stImage = st_texture_image(texImage); - GLuint dstImageStride = _mesa_image_image_stride(&ctx->Pack, - texImage->Width, - texImage->Height, - format, type); - GLuint depth; - GLuint i; + const GLuint dstImageStride = + _mesa_image_image_stride(&ctx->Pack, texImage->Width, texImage->Height, + format, type); + GLuint depth, i; GLubyte *dest; + if (stImage->pt && + pf_is_compressed(stImage->pt->format) && + !compressed_dst) { + /* Need to decompress the texture. + * We'll do this by rendering a textured quad. + * Note that we only expect RGBA formats (no Z/depth formats). + */ + decompress_with_blit(ctx, target, level, format, type, pixels, + texObj, texImage); + return; + } + /* Map */ if (stImage->pt) { /* Image is stored in hardware format in a buffer managed by the * kernel. Need to explicitly map and unmap it. */ + unsigned face = _mesa_tex_target_to_face(target); + + st_teximage_flush_before_map(ctx->st, stImage->pt, face, level, + PIPE_TRANSFER_READ); + texImage->Data = st_texture_image_map(ctx->st, stImage, 0, - PIPE_BUFFER_USAGE_CPU_READ); - texImage->RowStride = stImage->surface->stride / stImage->pt->block.size; + PIPE_TRANSFER_READ, 0, 0, + stImage->base.Width, + stImage->base.Height); + texImage->RowStride = stImage->transfer->stride / stImage->pt->block.size; } else { /* Otherwise, the image should actually be stored in @@ -708,19 +973,24 @@ st_get_tex_image(GLcontext * ctx, GLenum target, GLint level, dest = (GLubyte *) pixels; - for (i = 0; i++ < depth;) { - if (compressed) { + for (i = 0; i < depth; i++) { + if (compressed_dst) { _mesa_get_compressed_teximage(ctx, target, level, dest, texObj, texImage); - } else { + } + else { _mesa_get_teximage(ctx, target, level, format, type, dest, texObj, texImage); } - if (stImage->pt && i < depth) { + if (stImage->pt && i + 1 < depth) { + /* unmap this slice */ st_texture_image_unmap(ctx->st, stImage); - texImage->Data = st_texture_image_map(ctx->st, stImage, i, - PIPE_BUFFER_USAGE_CPU_READ); + /* map next slice of 3D texture */ + texImage->Data = st_texture_image_map(ctx->st, stImage, i + 1, + PIPE_TRANSFER_READ, 0, 0, + stImage->base.Width, + stImage->base.Height); dest += dstImageStride; } } @@ -741,8 +1011,8 @@ st_GetTexImage(GLcontext * ctx, GLenum target, GLint level, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { - st_get_tex_image(ctx, target, level, format, type, pixels, - texObj, texImage, 0); + st_get_tex_image(ctx, target, level, format, type, pixels, texObj, texImage, + GL_FALSE); } @@ -752,17 +1022,14 @@ st_GetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level, struct gl_texture_object *texObj, 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); + st_get_tex_image(ctx, target, level, 0, 0, pixels, texObj, texImage, + GL_TRUE); } static void -st_TexSubimage(GLcontext * ctx, - GLint dims, - GLenum target, GLint level, +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, @@ -770,12 +1037,15 @@ st_TexSubimage(GLcontext * ctx, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { + struct pipe_screen *screen = ctx->st->pipe->screen; struct st_texture_image *stImage = st_texture_image(texImage); GLuint dstRowStride; - GLuint srcImageStride = _mesa_image_image_stride(packing, width, height, - format, type); - int i; + const GLuint srcImageStride = + _mesa_image_image_stride(packing, width, height, format, type); + GLint i; const GLubyte *src; + /* init to silence warning only: */ + enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE; DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__, _mesa_lookup_enum_by_nr(target), @@ -787,14 +1057,40 @@ st_TexSubimage(GLcontext * ctx, if (!pixels) return; + /* See if we can do texture compression with a blit/render. + */ + if (!ctx->Mesa_DXTn && + is_compressed_mesa_format(texImage->TexFormat) && + screen->is_format_supported(screen, + stImage->pt->format, + stImage->pt->target, + PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) { + if (compress_with_blit(ctx, target, level, + xoffset, yoffset, zoffset, + width, height, depth, + format, type, pixels, packing, texImage)) { + goto done; + } + } + /* Map buffer if necessary. Need to lock to prevent other contexts * from uploading the buffer under us. */ if (stImage->pt) { + unsigned face = _mesa_tex_target_to_face(target); + + if (format == GL_DEPTH_COMPONENT && + pf_is_depth_and_stencil(stImage->pt->format)) + transfer_usage = PIPE_TRANSFER_READ_WRITE; + else + transfer_usage = PIPE_TRANSFER_WRITE; + + st_teximage_flush_before_map(ctx->st, stImage->pt, face, level, + transfer_usage); texImage->Data = st_texture_image_map(ctx->st, stImage, zoffset, - PIPE_BUFFER_USAGE_CPU_WRITE); - if (stImage->surface) - dstRowStride = stImage->surface->stride; + transfer_usage, + xoffset, yoffset, + width, height); } if (!texImage->Data) { @@ -803,12 +1099,13 @@ st_TexSubimage(GLcontext * ctx, } src = (const GLubyte *) pixels; + dstRowStride = stImage->transfer->stride; - for (i = 0; i++ < depth;) { + for (i = 0; i < depth; i++) { if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat, texImage->TexFormat, texImage->Data, - xoffset, yoffset, 0, + 0, 0, 0, dstRowStride, texImage->ImageOffsets, width, height, 1, @@ -816,115 +1113,171 @@ st_TexSubimage(GLcontext * ctx, _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); } - if (stImage->pt && i < depth) { - /* map next slice of 3D texture */ + if (stImage->pt && i + 1 < depth) { + /* unmap this slice */ st_texture_image_unmap(ctx->st, stImage); - texImage->Data = st_texture_image_map(ctx->st, stImage, zoffset + i, - PIPE_BUFFER_USAGE_CPU_WRITE); + /* map next slice of 3D texture */ + texImage->Data = st_texture_image_map(ctx->st, stImage, + zoffset + i + 1, + transfer_usage, + xoffset, yoffset, + width, height); src += srcImageStride; } } - if (level == texObj->BaseLevel && texObj->GenerateMipmap) { - ctx->Driver.GenerateMipmap(ctx, target, texObj); - } - _mesa_unmap_teximage_pbo(ctx, packing); +done: if (stImage->pt) { st_texture_image_unmap(ctx->st, stImage); texImage->Data = NULL; } + + if (level == texObj->BaseLevel && texObj->GenerateMipmap) { + ctx->Driver.GenerateMipmap(ctx, target, texObj); + } } 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_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); + 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_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); + 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_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, + st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, format, type, pixels, packing, texObj, texImage); } +static void +st_CompressedTexSubImage1D(GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLsizei width, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + assert(0); +} + -/** - * 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) +static void +st_CompressedTexSubImage2D(GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLint height, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) { - 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; + struct st_texture_image *stImage = st_texture_image(texImage); + struct pipe_format_block block; + int srcBlockStride; + int dstBlockStride; + int y; + + if (stImage->pt) { + unsigned face = _mesa_tex_target_to_face(target); + + st_teximage_flush_before_map(ctx->st, stImage->pt, face, level, + PIPE_TRANSFER_WRITE); + texImage->Data = st_texture_image_map(ctx->st, stImage, 0, + PIPE_TRANSFER_WRITE, + xoffset, yoffset, + width, height); + + block = stImage->pt->block; + srcBlockStride = pf_get_stride(&block, width); + dstBlockStride = stImage->transfer->stride; + } else { + assert(stImage->pt); + /* TODO find good values for block and strides */ + /* TODO also adjust texImage->data for yoffset/xoffset */ + return; + } + + if (!texImage->Data) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage"); + return; + } + + assert(xoffset % block.width == 0); + assert(yoffset % block.height == 0); + assert(width % block.width == 0); + assert(height % block.height == 0); + + for (y = 0; y < height; y += block.height) { + /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */ + const char *src = (const char*)data + srcBlockStride * pf_get_nblocksy(&block, y); + char *dst = (char*)texImage->Data + dstBlockStride * pf_get_nblocksy(&block, y); + memcpy(dst, src, pf_get_stride(&block, width)); + } + + if (stImage->pt) { + st_texture_image_unmap(ctx->st, stImage); + texImage->Data = NULL; + } +} + + +static void +st_CompressedTexSubImage3D(GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLint height, GLint depth, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + assert(0); } /** - * Do a CopyTexSubImage operation by mapping the source surface and - * dest surface and using get_tile()/put_tile() to access the pixels/texels. + * Do a CopyTexSubImage operation using a read transfer from the source, + * a write transfer to the destination and 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, +fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level, struct st_renderbuffer *strb, struct st_texture_image *stImage, GLenum baseFormat, @@ -934,61 +1287,73 @@ fallback_copy_texsubimage(GLcontext *ctx, { struct pipe_context *pipe = ctx->st->pipe; struct pipe_screen *screen = pipe->screen; - const uint face = texture_face(target); - struct pipe_texture *pt = stImage->pt; - struct pipe_surface *src_surf, *dest_surf; + struct pipe_transfer *src_trans; + GLvoid *texDest; + enum pipe_transfer_usage transfer_usage; + + assert(width <= MAX_WIDTH); - /* We'd use strb->surface, here but it's created for GPU read/write only */ - src_surf = pipe->screen->get_tex_surface( pipe->screen, - strb->texture, - 0, 0, 0, - PIPE_BUFFER_USAGE_CPU_READ); + if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + srcY = strb->Base.Height - srcY - height; + } - dest_surf = screen->get_tex_surface(screen, pt, face, level, destZ, - PIPE_BUFFER_USAGE_CPU_WRITE); + src_trans = st_cond_flush_get_tex_transfer( st_context(ctx), + strb->texture, + 0, 0, 0, + PIPE_TRANSFER_READ, + srcX, srcY, + width, height); - assert(width <= MAX_WIDTH); + if (baseFormat == GL_DEPTH_COMPONENT && + pf_is_depth_and_stencil(stImage->pt->format)) + transfer_usage = PIPE_TRANSFER_READ_WRITE; + else + transfer_usage = PIPE_TRANSFER_WRITE; + + st_teximage_flush_before_map(ctx->st, stImage->pt, 0, 0, + transfer_usage); + + texDest = st_texture_image_map(ctx->st, stImage, 0, transfer_usage, + destX, destY, width, height); - if (baseFormat == GL_DEPTH_COMPONENT) { + if (baseFormat == GL_DEPTH_COMPONENT || + baseFormat == GL_DEPTH24_STENCIL8) { const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F || ctx->Pixel.DepthBias != 0.0F); GLint row, yStep; /* determine bottom-to-top vs. top-to-bottom order for src buffer */ if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { - srcY = strb->Base.Height - 1 - srcY; + srcY = height - 1; yStep = -1; } else { + srcY = 0; yStep = 1; } /* To avoid a large temp memory allocation, do copy row by row */ - for (row = 0; row < height; row++, srcY += yStep, destY++) { + for (row = 0; row < height; row++, srcY += yStep) { uint data[MAX_WIDTH]; - pipe_get_tile_z(src_surf, srcX, srcY, width, 1, data); + pipe_get_tile_z(src_trans, 0, srcY, width, 1, data); if (scaleOrBias) { _mesa_scale_and_bias_depth_uint(ctx, width, data); } - pipe_put_tile_z(dest_surf, destX, destY, width, 1, data); + pipe_put_tile_z(stImage->transfer, 0, row, width, 1, data); } } else { /* RGBA format */ GLfloat *tempSrc = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat)); - GLvoid *texDest = - st_texture_image_map(ctx->st, stImage, 0,PIPE_BUFFER_USAGE_CPU_WRITE); if (tempSrc && texDest) { const GLint dims = 2; + const GLint dstRowStride = stImage->transfer->stride; struct gl_texture_image *texImage = &stImage->base; - GLint dstRowStride = stImage->surface->stride; struct gl_pixelstore_attrib unpack = ctx->DefaultPacking; if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { - /* need to invert src */ - srcY = strb->Base.Height - srcY - height; unpack.Invert = GL_TRUE; } @@ -996,7 +1361,7 @@ fallback_copy_texsubimage(GLcontext *ctx, /* XXX this usually involves a lot of int/float conversion. * try to avoid that someday. */ - pipe_get_tile_rgba(src_surf, srcX, srcY, width, height, tempSrc); + pipe_get_tile_rgba(src_trans, 0, 0, width, height, tempSrc); /* Store into texture memory. * Note that this does some special things such as pixel transfer @@ -1008,7 +1373,7 @@ fallback_copy_texsubimage(GLcontext *ctx, texImage->_BaseFormat, texImage->TexFormat, texDest, - destX, destY, destZ, + 0, 0, 0, dstRowStride, texImage->ImageOffsets, width, height, 1, @@ -1021,12 +1386,10 @@ fallback_copy_texsubimage(GLcontext *ctx, if (tempSrc) _mesa_free(tempSrc); - if (texDest) - st_texture_image_unmap(ctx->st, stImage); } - screen->tex_surface_release(screen, &dest_surf); - screen->tex_surface_release(screen, &src_surf); + st_texture_image_unmap(ctx->st, stImage); + screen->tex_transfer_destroy(src_trans); } @@ -1060,11 +1423,16 @@ st_copy_texsubimage(GLcontext *ctx, GLboolean use_fallback = GL_TRUE; GLboolean matching_base_formats; - /* any rendering in progress must complete before we grab the fb image */ - st_finish(ctx->st); + /* any rendering in progress must flushed before we grab the fb image */ + st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL); + + /* make sure finalize_textures has been called? + */ + if (0) st_validate_state(ctx->st); /* determine if copying depth or color data */ - if (texBaseFormat == GL_DEPTH_COMPONENT) { + if (texBaseFormat == GL_DEPTH_COMPONENT || + texBaseFormat == GL_DEPTH24_STENCIL8) { strb = st_renderbuffer(fb->_DepthBuffer); } else if (texBaseFormat == GL_DEPTH_STENCIL_EXT) { @@ -1075,6 +1443,39 @@ st_copy_texsubimage(GLcontext *ctx, strb = st_renderbuffer(fb->_ColorReadBuffer); } + if (!strb || !strb->surface || !stImage->pt) { + debug_printf("%s: null strb or stImage\n", __FUNCTION__); + return; + } + + if (srcX < 0) { + width -= -srcX; + destX += -srcX; + srcX = 0; + } + + if (srcY < 0) { + height -= -srcY; + destY += -srcY; + srcY = 0; + } + + if (destX < 0) { + width -= -destX; + srcX += -destX; + destX = 0; + } + + if (destY < 0) { + height -= -destY; + srcY += -destY; + destY = 0; + } + + if (width < 0 || height < 0) + return; + + assert(strb); assert(strb->surface); assert(stImage->pt); @@ -1095,21 +1496,18 @@ st_copy_texsubimage(GLcontext *ctx, if (matching_base_formats && ctx->_ImageTransferState == 0x0) { /* try potential hardware path */ struct pipe_surface *dest_surface = NULL; + boolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); - if (src_format == dest_format) { + if (src_format == dest_format && !do_flip) { /* use surface_copy() / blit */ - boolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); dest_surface = screen->get_tex_surface(screen, stImage->pt, stImage->face, stImage->level, destZ, PIPE_BUFFER_USAGE_GPU_WRITE); - if (do_flip) - srcY = strb->surface->height - srcY - height; /* for surface_copy(), y=0=top, always */ pipe->surface_copy(pipe, - do_flip, /* dest */ dest_surface, destX, destY, @@ -1129,8 +1527,7 @@ st_copy_texsubimage(GLcontext *ctx, PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) { /* draw textured quad to do the copy */ - boolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); - int srcY0, srcY1; + GLint srcY0, srcY1; dest_surface = screen->get_tex_surface(screen, stImage->pt, stImage->face, stImage->level, @@ -1187,11 +1584,6 @@ st_CopyTexImage1D(GLcontext * ctx, GLenum target, GLint level, 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, texture and texture * image. Don't populate yet. */ @@ -1282,8 +1674,8 @@ calculate_first_last_level(struct st_texture_object *stObj) * and having firstLevel and lastLevel as signed prevents the need for * extra sign checks. */ - int firstLevel; - int lastLevel; + GLint firstLevel; + GLint lastLevel; /* Yes, this looks overly complicated, but it's all needed. */ @@ -1337,16 +1729,21 @@ copy_image_data_to_texture(struct st_context *st, /* More straightforward upload. */ - st_texture_image_data(st->pipe, - stObj->pt, - stImage->face, - dstLevel, - stImage->base.Data, - stImage->base.RowStride * - stObj->pt->block.size, - stImage->base.RowStride * - stImage->base.Height * - stObj->pt->block.size); + + st_teximage_flush_before_map(st, stObj->pt, stImage->face, dstLevel, + PIPE_TRANSFER_WRITE); + + + st_texture_image_data(st, + stObj->pt, + stImage->face, + dstLevel, + stImage->base.Data, + stImage->base.RowStride * + stObj->pt->block.size, + stImage->base.RowStride * + stImage->base.Height * + stObj->pt->block.size); _mesa_align_free(stImage->base.Data); stImage->base.Data = NULL; } @@ -1368,9 +1765,7 @@ st_finalize_texture(GLcontext *ctx, { struct st_texture_object *stObj = st_texture_object(tObj); const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; - int comp_byte = 0; - int cpp; - GLuint face; + GLuint cpp, face; struct st_texture_image *firstImage; *needFlush = GL_FALSE; @@ -1392,14 +1787,12 @@ st_finalize_texture(GLcontext *ctx, if (firstImage->pt && firstImage->pt != stObj->pt && firstImage->pt->last_level >= stObj->lastLevel) { - pipe_texture_reference(&stObj->pt, firstImage->pt); } /* FIXME: determine format block instead of cpp */ if (firstImage->base.IsCompressed) { - comp_byte = compressed_num_bytes(firstImage->base.TexFormat->MesaFormat); - cpp = comp_byte; + cpp = compressed_num_bytes(firstImage->base.TexFormat->MesaFormat); } else { cpp = firstImage->base.TexFormat->TexelBytes; @@ -1417,11 +1810,10 @@ st_finalize_texture(GLcontext *ctx, stObj->pt->width[0] != firstImage->base.Width2 || stObj->pt->height[0] != firstImage->base.Height2 || stObj->pt->depth[0] != firstImage->base.Depth2 || - stObj->pt->block.size != cpp || - stObj->pt->block.width != 1 || - stObj->pt->block.height != 1 || - stObj->pt->compressed != firstImage->base.IsCompressed) { - pipe_texture_release(&stObj->pt); + /* Nominal bytes per pixel: */ + stObj->pt->block.size / stObj->pt->block.width != cpp) + { + pipe_texture_reference(&stObj->pt, NULL); ctx->st->dirty.st |= ST_NEW_FRAMEBUFFER; } } @@ -1431,6 +1823,8 @@ st_finalize_texture(GLcontext *ctx, if (!stObj->pt) { const enum pipe_format fmt = st_mesa_format_to_pipe_format(firstImage->base.TexFormat->MesaFormat); + GLuint usage = default_usage(fmt); + stObj->pt = st_texture_create(ctx->st, gl_target_to_pipe(stObj->base.Target), fmt, @@ -1438,11 +1832,7 @@ st_finalize_texture(GLcontext *ctx, firstImage->base.Width2, firstImage->base.Height2, firstImage->base.Depth2, - comp_byte, - ( (pf_is_depth_stencil(fmt) ? - PIPE_TEXTURE_USAGE_DEPTH_STENCIL : - PIPE_TEXTURE_USAGE_RENDER_TARGET) | - PIPE_TEXTURE_USAGE_SAMPLER )); + usage); if (!stObj->pt) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); @@ -1484,9 +1874,19 @@ st_get_default_texture(struct st_context *st) GLubyte pixels[16][16][4]; struct gl_texture_object *texObj; struct gl_texture_image *texImg; + GLuint i, j; - /* init image to gray */ - memset(pixels, 127, sizeof(pixels)); + /* The ARB_fragment_program spec says (0,0,0,1) should be returned + * when attempting to sample incomplete textures. + */ + for (i = 0; i < 16; i++) { + for (j = 0; j < 16; j++) { + pixels[i][j][0] = 0; + pixels[i][j][1] = 0; + pixels[i][j][2] = 0; + pixels[i][j][3] = 255; + } + } texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target); @@ -1524,6 +1924,9 @@ st_init_texture_functions(struct dd_function_table *functions) functions->TexSubImage1D = st_TexSubImage1D; functions->TexSubImage2D = st_TexSubImage2D; functions->TexSubImage3D = st_TexSubImage3D; + functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D; + functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D; + functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D; functions->CopyTexImage1D = st_CopyTexImage1D; functions->CopyTexImage2D = st_CopyTexImage2D; functions->CopyTexSubImage1D = st_CopyTexSubImage1D;