diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel_winsys/intel_tex_image.c')
| -rw-r--r-- | src/mesa/drivers/dri/intel_winsys/intel_tex_image.c | 695 |
1 files changed, 0 insertions, 695 deletions
diff --git a/src/mesa/drivers/dri/intel_winsys/intel_tex_image.c b/src/mesa/drivers/dri/intel_winsys/intel_tex_image.c deleted file mode 100644 index 93a59b6896..0000000000 --- a/src/mesa/drivers/dri/intel_winsys/intel_tex_image.c +++ /dev/null @@ -1,695 +0,0 @@ -/************************************************************************** - * - * 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 "glheader.h" -#include "macros.h" -#include "mtypes.h" -#include "enums.h" -#include "colortab.h" -#include "convolve.h" -#include "context.h" -#include "simple_list.h" -#include "texcompress.h" -#include "texformat.h" -#include "texobj.h" -#include "texstore.h" - -#include "pipe/p_context.h" -#include "state_tracker/st_mipmap_tree.h" - -#include "intel_tex.h" - - - -#define FILE_DEBUG_FLAG DEBUG_TEXTURE - -/* 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(struct intel_context *intel, - 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_buffer_object *pbo = intel_buffer_object(unpack->BufferObj); - GLuint src_offset, src_stride; - GLuint dst_offset, dst_stride; - - if (!pbo || - intel->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(struct intel_context *intel, - 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 -intelTexImage(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 intel_context *intel = intel_context(ctx); - 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); - - intelFlush(ctx); - - 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 = intelChooseTextureFormat(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(intel->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(intel->pipe, &intelObj->mt); - assert(!intelObj->mt); - } - - if (!intelObj->mt) { - guess_and_alloc_mipmap_tree(intel->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) - intel->pipe->region_idle(intel->pipe, intelImage->mt->region); - - LOCK_HARDWARE(intel); - - if (intelImage->mt) { - texImage->Data = st_miptree_image_map(intel->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(intel->pipe, intelImage->mt); - texImage->Data = NULL; - } - - UNLOCK_HARDWARE(intel); - -#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 -} - -void -intelTexImage3D(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) -{ - intelTexImage(ctx, 3, target, level, - internalFormat, width, height, depth, border, - format, type, pixels, unpack, texObj, texImage, 0, 0); -} - - -void -intelTexImage2D(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) -{ - intelTexImage(ctx, 2, target, level, - internalFormat, width, height, 1, border, - format, type, pixels, unpack, texObj, texImage, 0, 0); -} - -void -intelTexImage1D(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) -{ - intelTexImage(ctx, 1, target, level, - internalFormat, width, 1, 1, border, - format, type, pixels, unpack, texObj, texImage, 0, 0); -} - -void intelCompressedTexImage2D( 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 ) -{ - intelTexImage(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 -intel_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 st_texture_image *intelImage = st_texture_image(texImage); - - /* Map */ - if (intelImage->mt) { - /* Image is stored in hardware format in a buffer managed by the - * kernel. Need to explicitly map and unmap it. - */ - intelImage->base.Data = - st_miptree_image_map(intel->pipe, - intelImage->mt, - intelImage->face, - intelImage->level, - &intelImage->base.RowStride, - intelImage->base.ImageOffsets); - intelImage->base.RowStride /= intelImage->mt->cpp; - } - else { - /* Otherwise, the image should actually be stored in - * intelImage->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(intelImage->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 (intelImage->mt) { - st_miptree_image_unmap(intel->pipe, intelImage->mt); - intelImage->base.Data = NULL; - } -} - -void -intelGetTexImage(GLcontext * ctx, GLenum target, GLint level, - GLenum format, GLenum type, GLvoid * pixels, - struct gl_texture_object *texObj, - struct gl_texture_image *texImage) -{ - intel_get_tex_image(ctx, target, level, format, type, pixels, - texObj, texImage, 0); - - -} - -void -intelGetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level, - GLvoid *pixels, - const struct gl_texture_object *texObj, - const struct gl_texture_image *texImage) -{ - intel_get_tex_image(ctx, target, level, 0, 0, pixels, - texObj, texImage, 1); - -} - -void -intelSetTexOffset(__DRIcontext *pDRICtx, GLint texname, - unsigned long long offset, GLint depth, GLuint pitch) -{ - struct intel_context *intel = (struct intel_context*) - ((__DRIcontextPrivate*)pDRICtx->private)->driverPrivate; - struct gl_texture_object *tObj = _mesa_lookup_texture(&intel->ctx, texname); - struct st_texture_object *stObj = st_texture_object(tObj); - - if (!stObj) - return; - - if (stObj->mt) - st_miptree_release(intel->pipe, &stObj->mt); - - stObj->imageOverride = GL_TRUE; - stObj->depthOverride = depth; - stObj->pitchOverride = pitch; - - if (offset) - stObj->textureOffset = offset; -} |