diff options
Diffstat (limited to 'src/mesa/main/texstore.c')
| -rw-r--r-- | src/mesa/main/texstore.c | 484 |
1 files changed, 153 insertions, 331 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index fb1ad04e014..86c35d38f74 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -4565,9 +4565,137 @@ get_read_write_mode(GLenum userFormat, gl_format texFormat) return GL_MAP_WRITE_BIT; } + +/** + * Helper function for storing 1D, 2D, 3D whole and subimages into texture + * memory. + * The source of the image data may be user memory or a PBO. In the later + * case, we'll map the PBO, copy from it, then unmap it. + */ +static void +store_texsubimage(struct gl_context *ctx, + struct gl_texture_image *texImage, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint width, GLint height, GLint depth, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + const char *caller) + +{ + const GLbitfield mapMode = get_read_write_mode(format, texImage->TexFormat); + const GLenum target = texImage->TexObject->Target; + GLboolean success = GL_FALSE; + GLuint dims, slice, numSlices = 1, sliceOffset = 0; + GLint srcImageStride = 0; + const GLubyte *src; + + assert(xoffset + width <= texImage->Width); + assert(yoffset + height <= texImage->Height); + assert(zoffset + depth <= texImage->Depth); + + switch (target) { + case GL_TEXTURE_1D: + dims = 1; + break; + case GL_TEXTURE_2D_ARRAY: + case GL_TEXTURE_3D: + dims = 3; + break; + default: + dims = 2; + } + + /* get pointer to src pixels (may be in a pbo which we'll map here) */ + src = (const GLubyte *) + _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, + format, type, pixels, packing, caller); + if (!src) + return; + + /* compute slice info (and do some sanity checks) */ + switch (target) { + case GL_TEXTURE_2D: + case GL_TEXTURE_RECTANGLE: + case GL_TEXTURE_CUBE_MAP: + /* one image slice, nothing special needs to be done */ + break; + case GL_TEXTURE_1D: + assert(height == 1); + assert(depth == 1); + assert(yoffset == 0); + assert(zoffset == 0); + break; + case GL_TEXTURE_1D_ARRAY: + assert(depth == 1); + assert(zoffset == 0); + numSlices = height; + sliceOffset = yoffset; + height = 1; + yoffset = 0; + srcImageStride = _mesa_image_row_stride(packing, width, format, type); + break; + case GL_TEXTURE_2D_ARRAY: + numSlices = depth; + sliceOffset = zoffset; + depth = 1; + zoffset = 0; + srcImageStride = _mesa_image_image_stride(packing, width, height, + format, type); + break; + case GL_TEXTURE_3D: + /* we'll store 3D images as a series of slices */ + numSlices = depth; + sliceOffset = zoffset; + srcImageStride = _mesa_image_image_stride(packing, width, height, + format, type); + break; + default: + _mesa_warning(ctx, "Unexpected target 0x%x in store_texsubimage()", target); + return; + } + + assert(numSlices == 1 || srcImageStride != 0); + + for (slice = 0; slice < numSlices; slice++) { + GLubyte *dstMap; + GLint dstRowStride; + + ctx->Driver.MapTextureImage(ctx, texImage, + slice + sliceOffset, + xoffset, yoffset, width, height, + mapMode, &dstMap, &dstRowStride); + if (dstMap) { + /* Note: we're only storing a 2D (or 1D) slice at a time but we need + * to pass the right 'dims' value so that GL_UNPACK_SKIP_IMAGES is + * used for 3D images. + */ + success = _mesa_texstore(ctx, dims, texImage->_BaseFormat, + texImage->TexFormat, + 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, + &dstMap, + width, height, 1, /* w, h, d */ + format, type, src, packing); + + ctx->Driver.UnmapTextureImage(ctx, texImage, slice + sliceOffset); + } + + src += srcImageStride; + + if (!success) + break; + } + + if (!success) + _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", caller); + + _mesa_unmap_teximage_pbo(ctx, packing); +} + + + /** - * This is the software fallback for Driver.TexImage1D(). - * \sa _mesa_store_teximage2d() + * This is the fallback for Driver.TexImage1D(). */ void _mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level, @@ -4578,13 +4706,6 @@ _mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { - const GLbitfield rwMode = get_read_write_mode(format, texImage->TexFormat); - GLubyte *dstMap; - GLint dstRowStride; - GLboolean success; - - (void) border; - if (width == 0) return; @@ -4595,47 +4716,14 @@ _mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level, return; } - pixels = _mesa_validate_pbo_teximage(ctx, 1, width, 1, 1, format, type, - pixels, packing, "glTexImage1D"); - if (!pixels) { - /* Note: we check for a NULL image pointer here, _after_ we allocated - * memory for the texture. That's what the GL spec calls for. - */ - return; - } - - /* Map dest texture buffer (write to whole region) */ - ctx->Driver.MapTextureImage(ctx, texImage, 0, - 0, 0, width, 1, - rwMode, - &dstMap, &dstRowStride); - if (dstMap) { - success = _mesa_texstore(ctx, 1, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, /* dstX/Y/Zoffset */ - 0, /* dstRowStride */ - &dstMap, - width, 1, 1, - format, type, pixels, packing); - - ctx->Driver.UnmapTextureImage(ctx, texImage, 0); - } - else { - success = GL_FALSE; - } - - if (!success) - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D"); - - _mesa_unmap_teximage_pbo(ctx, packing); + store_texsubimage(ctx, texImage, + 0, 0, 0, width, 1, 1, + format, type, pixels, packing, "glTexImage1D"); } /** - * This is the software fallback for Driver.TexImage2D(). - * - * This function is oriented toward storing images in main memory, rather - * than VRAM. Device driver's can easily plug in their own replacement. + * This is the fallback for Driver.TexImage2D(). */ void _mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level, @@ -4646,13 +4734,6 @@ _mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { - const GLbitfield rwMode = get_read_write_mode(format, texImage->TexFormat); - GLubyte *dstMap; - GLint dstRowStride; - GLboolean success; - - (void) border; - if (width == 0 || height == 0) return; @@ -4663,80 +4744,15 @@ _mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level, return; } - pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, format, type, - pixels, packing, "glTexImage2D"); - if (!pixels) { - /* Note: we check for a NULL image pointer here, _after_ we allocated - * memory for the texture. That's what the GL spec calls for. - */ - return; - } - - if (target == GL_TEXTURE_1D_ARRAY) { - const GLint srcStride = - _mesa_image_row_stride(packing, width, format, type); - int y; - - success = GL_TRUE; - - for (y = 0; y < height; y++) { - /* Map dest texture buffer (write to whole region) */ - ctx->Driver.MapTextureImage(ctx, texImage, y, - 0, 0, width, 1, - rwMode, - &dstMap, &dstRowStride); - if (dstMap) { - success = _mesa_texstore(ctx, 2, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstRowStride, - &dstMap, - width, 1, 1, - format, type, pixels, packing); - ctx->Driver.UnmapTextureImage(ctx, texImage, y); - } - else { - success = GL_FALSE; - } - - if (!success) - break; - - pixels = (const GLubyte *) pixels + srcStride; - } - } else { - /* Map dest texture buffer (write to whole region) */ - ctx->Driver.MapTextureImage(ctx, texImage, 0, - 0, 0, width, height, - rwMode, - &dstMap, &dstRowStride); - if (dstMap) { - success = _mesa_texstore(ctx, 2, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstRowStride, - &dstMap, - width, height, 1, - format, type, pixels, packing); - - ctx->Driver.UnmapTextureImage(ctx, texImage, 0); - } - else { - success = GL_FALSE; - } - } - - if (!success) - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); - - _mesa_unmap_teximage_pbo(ctx, packing); + store_texsubimage(ctx, texImage, + 0, 0, 0, width, height, 1, + format, type, pixels, packing, "glTexImage2D"); } /** - * This is the software fallback for Driver.TexImage3D(). - * \sa _mesa_store_teximage2d() + * This is the fallback for Driver.TexImage3D(). */ void _mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level, @@ -4747,14 +4763,6 @@ _mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { - const GLbitfield rwMode = get_read_write_mode(format, texImage->TexFormat); - GLboolean success = GL_TRUE; - GLint slice; - GLubyte **sliceMaps; - GLint dstRowStride; - - (void) border; - if (width == 0 || height == 0 || depth == 0) return; @@ -4765,66 +4773,16 @@ _mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level, return; } - pixels = _mesa_validate_pbo_teximage(ctx, 3, width, height, depth, - format, type, - pixels, packing, "glTexImage3D"); - if (!pixels) { - /* Note: we check for a NULL image pointer here, _after_ we allocated - * memory for the texture. That's what the GL spec calls for. - */ - return; - } - - if (target == GL_TEXTURE_1D_ARRAY) { - depth = height; - height = 1; - } - - sliceMaps = (GLubyte **) calloc(depth, sizeof(GLubyte *)); - - /* Map dest texture buffer slices */ - for (slice = 0; slice < depth; slice++) { - ctx->Driver.MapTextureImage(ctx, texImage, slice, - 0, 0, width, height, - rwMode, - &sliceMaps[slice], &dstRowStride); - if (!sliceMaps[slice]) { - success = GL_FALSE; - break; - } - } - - if (success) { - success = _mesa_texstore(ctx, 3, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstRowStride, - sliceMaps, - width, height, depth, - format, type, pixels, packing); - } - - /* Unmap dest texture buffer slices */ - for (slice = 0; slice < depth; slice++) { - if (sliceMaps[slice]) { - ctx->Driver.UnmapTextureImage(ctx, texImage, slice); - } - } - - if (!success) - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D"); - - _mesa_unmap_teximage_pbo(ctx, packing); - - free(sliceMaps); + store_texsubimage(ctx, texImage, + 0, 0, 0, width, height, depth, + format, type, pixels, packing, "glTexImage3D"); } /* - * This is the software fallback for Driver.TexSubImage1D() - * and Driver.CopyTexSubImage1D(). + * This is the fallback for Driver.TexSubImage1D(). */ void _mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level, @@ -4834,49 +4792,15 @@ _mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { - const GLbitfield rwMode = get_read_write_mode(format, texImage->TexFormat); - GLubyte *dstMap; - GLint dstRowStride; - GLboolean success; - - /* get pointer to src pixels (may be in a pbo which we'll map here) */ - pixels = _mesa_validate_pbo_teximage(ctx, 1, width, 1, 1, format, type, - pixels, packing, "glTexSubImage1D"); - if (!pixels) - return; - - /* Map dest texture buffer */ - ctx->Driver.MapTextureImage(ctx, texImage, 0, - xoffset, 0, width, 1, - rwMode, - &dstMap, &dstRowStride); - - if (dstMap) { - success = _mesa_texstore(ctx, 1, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstRowStride, - &dstMap, - width, 1, 1, - format, type, pixels, packing); - - ctx->Driver.UnmapTextureImage(ctx, texImage, 0); - } - else { - success = GL_FALSE; - } - - if (!success) - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D"); - - _mesa_unmap_teximage_pbo(ctx, packing); + store_texsubimage(ctx, texImage, + xoffset, 0, 0, width, 1, 1, + format, type, pixels, packing, "glTexSubImage1D"); } /** - * This is the software fallback for Driver.TexSubImage2D() - * and Driver.CopyTexSubImage2D(). + * This is the fallback for Driver.TexSubImage2D(). */ void _mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level, @@ -4887,69 +4811,14 @@ _mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { - const GLbitfield rwMode = get_read_write_mode(format, texImage->TexFormat); - GLboolean success = GL_FALSE; - GLuint slice, numSlices, sliceOffset, srcImageStride; - const GLubyte *src; - - /* get pointer to src pixels (may be in a pbo which we'll map here) */ - src = (const GLubyte *) - _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, format, type, - pixels, packing, "glTexSubImage2D"); - if (!src) - return; - - if (target == GL_TEXTURE_1D_ARRAY) { - /* map each slice of the 1D array separately */ - numSlices = height; - sliceOffset = yoffset; - height = 1; - yoffset = 0; - srcImageStride = _mesa_image_row_stride(packing, width, format, type); - } - else { - /* regular 2D image */ - numSlices = 1; - sliceOffset = 0; - srcImageStride = 0; - } - - for (slice = 0; slice < numSlices; slice++) { - GLubyte *dstMap; - GLint dstRowStride; - - ctx->Driver.MapTextureImage(ctx, texImage, - slice + sliceOffset, - xoffset, yoffset, width, height, - rwMode, &dstMap, &dstRowStride); - if (dstMap) { - success = _mesa_texstore(ctx, 2, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstRowStride, - &dstMap, - width, height, 1, /* w, h, d */ - format, type, src, packing); - - ctx->Driver.UnmapTextureImage(ctx, texImage, slice + sliceOffset); - } - - src += srcImageStride; - - if (!success) - break; - } - - if (!success) - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D"); - - _mesa_unmap_teximage_pbo(ctx, packing); + store_texsubimage(ctx, texImage, + xoffset, yoffset, 0, width, height, 1, + format, type, pixels, packing, "glTexSubImage2D"); } /* - * This is the software fallback for Driver.TexSubImage3D(). - * and Driver.CopyTexSubImage3D(). + * This is the fallback for Driver.TexSubImage3D(). */ void _mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level, @@ -4960,56 +4829,9 @@ _mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { - const GLbitfield rwMode = get_read_write_mode(format, texImage->TexFormat); - GLboolean success = GL_TRUE; - GLint slice; - GLubyte **sliceMaps; - GLint dstRowStride; - - /* get pointer to src pixels (may be in a pbo which we'll map here) */ - pixels = _mesa_validate_pbo_teximage(ctx, 3, width, height, depth, format, - type, pixels, packing, - "glTexSubImage3D"); - if (!pixels) - return; - - sliceMaps = (GLubyte **) calloc(depth, sizeof(GLubyte *)); - - /* Map dest texture buffer slices */ - for (slice = 0; slice < depth; slice++) { - ctx->Driver.MapTextureImage(ctx, texImage, zoffset + slice, - xoffset, yoffset, width, height, - rwMode, - &sliceMaps[slice], &dstRowStride); - if (!sliceMaps[slice]) { - success = GL_FALSE; - break; - } - } - - if (success) { - success = _mesa_texstore(ctx, 3, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, - dstRowStride, - sliceMaps, - width, height, depth, - format, type, pixels, packing); - } - - /* Unmap dest texture buffer slices */ - for (slice = 0; slice < depth; slice++) { - if (sliceMaps[slice]) { - ctx->Driver.UnmapTextureImage(ctx, texImage, zoffset + slice); - } - } - - if (!success) - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage3D"); - - _mesa_unmap_teximage_pbo(ctx, packing); - - free(sliceMaps); + store_texsubimage(ctx, texImage, + xoffset, yoffset, zoffset, width, height, depth, + format, type, pixels, packing, "glTexSubImage3D"); } |