diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/state_tracker/st_cb_texture.c | 1763 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_cb_texture.h | 19 |
2 files changed, 1782 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c new file mode 100644 index 0000000000..a0245b553f --- /dev/null +++ b/src/mesa/state_tracker/st_cb_texture.c @@ -0,0 +1,1763 @@ +/************************************************************************** + * + * 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_texture.h" +#include "state_tracker/st_mipmap_tree.h" + +#include "pipe/p_context.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; +} + + +static int +intel_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; +} + + +/* It works out that this function is fine for all the supported + * hardware. However, there is still a need to map the formats onto + * hardware descriptors. + */ +/* Note that the i915 can actually support many more formats than + * these if we take the step of simply swizzling the colors + * immediately after sampling... + */ +static const struct gl_texture_format * +st_ChooseTextureFormat(GLcontext * ctx, GLint internalFormat, + GLenum format, GLenum type) +{ +#if 0 + struct intel_context *intel = intel_context(ctx); + const GLboolean do32bpt = (intel->intelScreen->front.cpp == 4); +#else + const GLboolean do32bpt = 1; +#endif + + switch (internalFormat) { + case 4: + case GL_RGBA: + case GL_COMPRESSED_RGBA: + if (format == GL_BGRA) { + if (type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_INT_8_8_8_8_REV) { + 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; + } + } + 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; + } + return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565; + + case GL_RGBA8: + case GL_RGB10_A2: + case GL_RGBA12: + case GL_RGBA16: + return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444; + + 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_DEPTH_COMPONENT: + case GL_DEPTH_COMPONENT16: + case GL_DEPTH_COMPONENT24: + case GL_DEPTH_COMPONENT32: + return &_mesa_texformat_z16; + + case GL_DEPTH_STENCIL_EXT: + case GL_DEPTH24_STENCIL8_EXT: + return &_mesa_texformat_z24_s8; + + 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 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 *intelObj, + struct st_texture_image *intelImage) +{ + GLuint firstLevel; + GLuint lastLevel; + GLuint width = intelImage->base.Width; + GLuint height = intelImage->base.Height; + GLuint depth = intelImage->base.Depth; + GLuint l2width, l2height, l2depth; + GLuint i, comp_byte = 0; + + DBG("%s\n", __FUNCTION__); + + if (intelImage->base.Border) + return; + + if (intelImage->level > intelObj->base.BaseLevel && + (intelImage->base.Width == 1 || + (intelObj->base.Target != GL_TEXTURE_1D && + intelImage->base.Height == 1) || + (intelObj->base.Target == GL_TEXTURE_3D && + intelImage->base.Depth == 1))) + return; + + /* If this image disrespects BaseLevel, allocate from level zero. + * Usually BaseLevel == 0, so it's unlikely to happen. + */ + if (intelImage->level < intelObj->base.BaseLevel) + firstLevel = 0; + else + firstLevel = intelObj->base.BaseLevel; + + + /* Figure out image dimensions at start level. + */ + for (i = intelImage->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 ((intelObj->base.MinFilter == GL_NEAREST || + intelObj->base.MinFilter == GL_LINEAR) && + intelImage->level == firstLevel) { + lastLevel = firstLevel; + } + else { + l2width = logbase2(width); + l2height = logbase2(height); + l2depth = logbase2(depth); + lastLevel = firstLevel + MAX2(MAX2(l2width, l2height), l2depth); + } + + assert(!intelObj->mt); + if (intelImage->base.IsCompressed) + comp_byte = intel_compressed_num_bytes(intelImage->base.TexFormat->MesaFormat); + intelObj->mt = st_miptree_create(pipe, + intelObj->base.Target, + intelImage->base.InternalFormat, + firstLevel, + lastLevel, + width, + height, + depth, + intelImage->base.TexFormat->TexelBytes, + comp_byte); + + 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 *intelImage, + 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(intelImage->mt, + intelImage->face, + intelImage->level); + + dst_stride = intelImage->mt->pitch; + + intelFlush(&intel->ctx); + LOCK_HARDWARE(intel); + { + struct _DriBufferObject *src_buffer = + intel_bufferobj_buffer(intel, pbo, INTEL_READ); + + /* Temporary hack: cast to _DriBufferObject: + */ + struct _DriBufferObject *dst_buffer = + (struct _DriBufferObject *)intelImage->mt->region->buffer; + + + intelEmitCopyBlit(intel, + intelImage->mt->cpp, + src_stride, src_buffer, src_offset, + dst_stride, dst_buffer, dst_offset, + 0, 0, 0, 0, width, height, + GL_COPY); + + intel_batchbuffer_flush(intel->batch); + } + UNLOCK_HARDWARE(intel); + + return GL_TRUE; +#endif +} + + + +static GLboolean +try_pbo_zcopy(GLcontext *ctx, + struct st_texture_image *intelImage, + 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 *intelObj = st_texture_object(texObj); + struct st_texture_image *intelImage = 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); + +#if 0 + intelFlush(ctx); +#endif + + intelImage->face = target_to_face(target); + intelImage->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 (intelImage->mt) { + st_miptree_release(pipe, &intelImage->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 (intelObj->mt && + intelObj->mt->first_level == level && + intelObj->mt->last_level == level && + intelObj->mt->target != GL_TEXTURE_CUBE_MAP_ARB && + !st_miptree_match_image(intelObj->mt, &intelImage->base, + intelImage->face, intelImage->level)) { + + DBG("release it\n"); + st_miptree_release(pipe, &intelObj->mt); + assert(!intelObj->mt); + } + + if (!intelObj->mt) { + guess_and_alloc_mipmap_tree(pipe, intelObj, intelImage); + if (!intelObj->mt) { + DBG("guess_and_alloc_mipmap_tree: failed\n"); + } + } + + assert(!intelImage->mt); + + if (intelObj->mt && + st_miptree_match_image(intelObj->mt, &intelImage->base, + intelImage->face, intelImage->level)) { + + st_miptree_reference(&intelImage->mt, intelObj->mt); + assert(intelImage->mt); + } + + if (!intelImage->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 && + intelImage->mt && + intel_buffer_object(unpack->BufferObj) && + check_pbo_format(internalFormat, format, + type, intelImage->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 (intelObj->mt == intelImage->mt && + intelObj->mt->first_level == level && + intelObj->mt->last_level == level) { + + if (try_pbo_zcopy(intel, intelImage, 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, intelImage, 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 (intelImage->mt) + pipe->region_idle(pipe, intelImage->mt->region); + +#if 0 + LOCK_HARDWARE(intel); +#endif + + if (intelImage->mt) { + texImage->Data = st_miptree_image_map(pipe, + intelImage->mt, + intelImage->face, + intelImage->level, + &dstRowStride, + intelImage->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 (intelImage->mt) { + st_miptree_image_unmap(pipe, intelImage->mt); + texImage->Data = NULL; + } + +#if 0 + UNLOCK_HARDWARE(intel); +#endif + +#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); + +#if 0 + intelFlush(ctx); +#endif + + pixels = + _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format, + type, pixels, packing, "glTexSubImage2D"); + if (!pixels) + return; + + if (stImage->mt) + pipe->region_idle(pipe, stImage->mt->region); + +#if 0 + LOCK_HARDWARE(intel); +#endif + + /* 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; + } + +#if 0 + UNLOCK_HARDWARE(intel); +#endif +} + + + +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); +} + + + +/** + * Get the pipe_region which is the source for any glCopyTex[Sub]Image call. + * + * Do the best we can using the blitter. A future project is to use + * the texture engine and fragment programs for these copies. + */ +static const struct pipe_region * +get_teximage_source(GLcontext *ctx, GLenum internalFormat) +{ +#if 00 + struct intel_renderbuffer *irb; + + DBG("%s %s\n", __FUNCTION__, + _mesa_lookup_enum_by_nr(internalFormat)); + + switch (internalFormat) { + case GL_DEPTH_COMPONENT: + case GL_DEPTH_COMPONENT16_ARB: + irb = intel_get_renderbuffer(intel->ctx.ReadBuffer, BUFFER_DEPTH); + if (irb && irb->region && irb->region->cpp == 2) + return irb->region; + return NULL; + case GL_DEPTH24_STENCIL8_EXT: + case GL_DEPTH_STENCIL_EXT: + irb = intel_get_renderbuffer(intel->ctx.ReadBuffer, BUFFER_DEPTH); + if (irb && irb->region && irb->region->cpp == 4) + return irb->region; + return NULL; + case GL_RGBA: + case GL_RGBA8: + return intel_readbuf_region(intel); + case GL_RGB: + if (intel->intelScreen->front.cpp == 2) + return intel_readbuf_region(intel); + return NULL; + default: + return NULL; + } +#else + return NULL; +#endif +} + + +static GLboolean +do_copy_texsubimage(GLcontext *ctx, + struct st_texture_image *stImage, + GLenum internalFormat, + GLint dstx, GLint dsty, + GLint x, GLint y, GLsizei width, GLsizei height) +{ + const struct pipe_region *src = + get_teximage_source(ctx, internalFormat); + + if (!stImage->mt || !src) { + DBG("%s fail %p %p\n", __FUNCTION__, stImage->mt, src); + return GL_FALSE; + } + +#if 00 /* XXX FIX flush/locking */ + intelFlush(ctx); + /* XXX still need the lock ? */ + LOCK_HARDWARE(intel); +#endif + + { + GLuint image_offset = st_miptree_image_offset(stImage->mt, + stImage->face, + stImage->level); + const GLint orig_x = x; + const GLint orig_y = y; + const struct gl_framebuffer *fb = ctx->DrawBuffer; + + if (_mesa_clip_to_region(fb->_Xmin, fb->_Ymin, fb->_Xmax, fb->_Ymax, + &x, &y, &width, &height)) { + /* Update dst for clipped src. Need to also clip the source rect. + */ + dstx += x - orig_x; + dsty += y - orig_y; + + if (!(ctx->ReadBuffer->Name == 0)) { + /* XXX this looks bogus ? */ + /* FBO: invert Y */ + y = ctx->ReadBuffer->Height - y - 1; + } + + /* 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: + */ +#if 0 + intelEmitCopyBlit(intel, + stImage->mt->cpp, + -src->pitch, + src->buffer, + src->height * src->pitch * src->cpp, + stImage->mt->pitch, + stImage->mt->region->buffer, + image_offset, + x, y + height, dstx, dsty, width, height, + GL_COPY); /* ? */ + intel_batchbuffer_flush(intel->batch); +#else + /* XXX use pipe->region_copy() ??? */ + (void) image_offset; +#endif + } + } + +#if 0 + UNLOCK_HARDWARE(intel); +#endif + +#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 + + return GL_TRUE; +} + + +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 (border) + goto fail; + + /* 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); + + if (!do_copy_texsubimage(ctx, + st_texture_image(texImage), + internalFormat, 0, 0, x, y, width, 1)) + goto fail; + + return; + + fail: +#if 0 + _swrast_copy_teximage1d(ctx, target, level, internalFormat, x, y, + width, border); +#endif + ; +} + + +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 (border) + goto fail; + + /* 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); + + + if (!do_copy_texsubimage(ctx, + st_texture_image(texImage), + internalFormat, 0, 0, x, y, width, height)) + goto fail; + + return; + + fail: +#if 0 + _swrast_copy_teximage2d(ctx, target, level, internalFormat, x, y, + width, height, border); +#endif + assert(0); +} + + +static void +st_CopyTexSubImage1D(GLcontext * ctx, GLenum target, GLint level, + GLint xoffset, GLint x, GLint y, GLsizei width) +{ + 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); + GLenum internalFormat = texImage->InternalFormat; + + /* XXX need to check <border> as in above function? */ + + /* Need to check texture is compatible with source format. + */ + + if (!do_copy_texsubimage(ctx, + st_texture_image(texImage), + internalFormat, xoffset, 0, x, y, width, 1)) { +#if 0 + _swrast_copy_texsubimage1d(ctx, target, level, xoffset, x, y, width); +#endif + assert(0); + } +} + + +static void +st_CopyTexSubImage2D(GLcontext * ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint x, GLint y, 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); + GLenum internalFormat = texImage->InternalFormat; + + + /* Need to check texture is compatible with source format. + */ + + if (!do_copy_texsubimage(ctx, + st_texture_image(texImage), + internalFormat, + xoffset, yoffset, x, y, width, height)) { +#if 0 + _swrast_copy_texsubimage2d(ctx, target, level, + xoffset, yoffset, x, y, width, height); +#endif + assert(0); + } +} + + + + +/** + * 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 +intel_calculate_first_last_level(struct st_texture_object *intelObj) +{ + struct gl_texture_object *tObj = &intelObj->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 */ + intelObj->firstLevel = firstLevel; + intelObj->lastLevel = lastLevel; +} + + +static void +copy_image_data_to_tree(struct pipe_context *pipe, + struct st_texture_object *intelObj, + struct st_texture_image *stImage) +{ + if (stImage->mt) { + /* Copy potentially with the blitter: + */ + st_miptree_image_copy(pipe, + intelObj->mt, + stImage->face, + stImage->level, stImage->mt); + + st_miptree_release(pipe, &stImage->mt); + } + else { + assert(stImage->base.Data != NULL); + + /* More straightforward upload. + */ + st_miptree_image_data(pipe, + intelObj->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, intelObj->mt); +} + + +/* + */ +GLuint +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 *intelObj = 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(intelObj->base._Complete); + + /* What levels must the tree include at a minimum? + */ + intel_calculate_first_last_level(intelObj); + firstImage = + st_texture_image(intelObj->base.Image[0][intelObj->firstLevel]); + + /* Fallback case: + */ + if (firstImage->base.Border) { + if (intelObj->mt) { + st_miptree_release(pipe, &intelObj->mt); + } + return GL_FALSE; + } + + + /* If both firstImage and intelObj 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 != intelObj->mt && + firstImage->mt->first_level <= intelObj->firstLevel && + firstImage->mt->last_level >= intelObj->lastLevel) { + + if (intelObj->mt) + st_miptree_release(pipe, &intelObj->mt); + + st_miptree_reference(&intelObj->mt, firstImage->mt); + } + + if (firstImage->base.IsCompressed) { + comp_byte = intel_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 (intelObj->mt && + (intelObj->mt->target != intelObj->base.Target || + intelObj->mt->internal_format != firstImage->base.InternalFormat || + intelObj->mt->first_level != intelObj->firstLevel || + intelObj->mt->last_level != intelObj->lastLevel || + intelObj->mt->width0 != firstImage->base.Width || + intelObj->mt->height0 != firstImage->base.Height || + intelObj->mt->depth0 != firstImage->base.Depth || + intelObj->mt->cpp != cpp || + intelObj->mt->compressed != firstImage->base.IsCompressed)) { + st_miptree_release(pipe, &intelObj->mt); + } + + + /* May need to create a new tree: + */ + if (!intelObj->mt) { + intelObj->mt = st_miptree_create(pipe, + intelObj->base.Target, + firstImage->base.InternalFormat, + intelObj->firstLevel, + intelObj->lastLevel, + firstImage->base.Width, + firstImage->base.Height, + firstImage->base.Depth, + cpp, + comp_byte); + } + + /* Pull in any images not in the object's tree: + */ + nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; + for (face = 0; face < nr_faces; face++) { + for (i = intelObj->firstLevel; i <= intelObj->lastLevel; i++) { + struct st_texture_image *stImage = + st_texture_image(intelObj->base.Image[face][i]); + + /* Need to import images in main memory or held in other trees. + */ + if (intelObj->mt != stImage->mt) { + copy_image_data_to_tree(pipe, intelObj, stImage); + *needFlush = GL_TRUE; + } + } + } + + /** + if (need_flush) + intel_batchbuffer_flush(intel->batch); + **/ + + return GL_TRUE; +} + + +#if 0 /* unused? */ +void +st_tex_map_images(struct pipe_context *pipe, + struct st_texture_object *intelObj) +{ + GLuint nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; + GLuint face, i; + + DBG("%s\n", __FUNCTION__); + + for (face = 0; face < nr_faces; face++) { + for (i = intelObj->firstLevel; i <= intelObj->lastLevel; i++) { + struct st_texture_image *stImage = + st_texture_image(intelObj->base.Image[face][i]); + + if (stImage->mt) { + stImage->base.Data = + st_miptree_image_map(pipe, + stImage->mt, + stImage->face, + stImage->level, + &stImage->base.RowStride, + stImage->base.ImageOffsets); + /* convert stride to texels, not bytes */ + stImage->base.RowStride /= stImage->mt->cpp; +/* stImage->base.ImageStride /= stImage->mt->cpp; */ + } + } + } +} + + + +void +st_tex_unmap_images(struct pipe_context *pipe, + struct st_texture_object *intelObj) +{ + GLuint nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; + GLuint face, i; + + for (face = 0; face < nr_faces; face++) { + for (i = intelObj->firstLevel; i <= intelObj->lastLevel; i++) { + struct st_texture_image *stImage = + st_texture_image(intelObj->base.Image[face][i]); + + if (stImage->mt) { + st_miptree_image_unmap(pipe, stImage->mt); + stImage->base.Data = NULL; + } + } + } +} +#endif + + + + +void st_init_cb_texture( struct st_context *st ) +{ + struct dd_function_table *functions = &st->ctx->Driver; + + 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->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; +} + + +void st_destroy_cb_texture( struct st_context *st ) +{ +} diff --git a/src/mesa/state_tracker/st_cb_texture.h b/src/mesa/state_tracker/st_cb_texture.h new file mode 100644 index 0000000000..c474d16465 --- /dev/null +++ b/src/mesa/state_tracker/st_cb_texture.h @@ -0,0 +1,19 @@ +#ifndef ST_CB_TEXTURE_H +#define ST_CB_TEXTURE_H + + +extern GLuint +st_finalize_mipmap_tree(GLcontext *ctx, + struct pipe_context *pipe, GLuint unit, + GLboolean *needFlush); + + +extern void +st_init_cb_texture( struct st_context *st ); + + +extern void +st_destroy_cb_texture( struct st_context *st ); + + +#endif /* ST_CB_TEXTURE_H */ |