1 #include "swrast/swrast.h"
2 #include "main/renderbuffer.h"
3 #include "main/texobj.h"
4 #include "main/teximage.h"
5 #include "main/mipmap.h"
6 #include "drivers/common/meta.h"
7 #include "intel_context.h"
8 #include "intel_mipmap_tree.h"
11 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
13 static struct gl_texture_image *
14 intelNewTextureImage(struct gl_context * ctx)
16 DBG("%s\n", __FUNCTION__);
18 return (struct gl_texture_image *) CALLOC_STRUCT(intel_texture_image);
22 static struct gl_texture_object *
23 intelNewTextureObject(struct gl_context * ctx, GLuint name, GLenum target)
25 struct intel_texture_object *obj = CALLOC_STRUCT(intel_texture_object);
27 DBG("%s\n", __FUNCTION__);
28 _mesa_initialize_texture_object(&obj->base, name, target);
34 intelDeleteTextureObject(struct gl_context *ctx,
35 struct gl_texture_object *texObj)
37 struct intel_context *intel = intel_context(ctx);
38 struct intel_texture_object *intelObj = intel_texture_object(texObj);
41 intel_miptree_release(intel, &intelObj->mt);
43 _mesa_delete_texture_object(ctx, texObj);
48 intelFreeTextureImageData(struct gl_context * ctx, struct gl_texture_image *texImage)
50 struct intel_context *intel = intel_context(ctx);
51 struct intel_texture_image *intelImage = intel_texture_image(texImage);
53 DBG("%s\n", __FUNCTION__);
56 intel_miptree_release(intel, &intelImage->mt);
60 _mesa_free_texmemory(texImage->Data);
61 texImage->Data = NULL;
64 if (intelImage->depth_rb) {
65 _mesa_reference_renderbuffer(&intelImage->depth_rb, NULL);
68 if (intelImage->stencil_rb) {
69 _mesa_reference_renderbuffer(&intelImage->stencil_rb, NULL);
74 * Called via ctx->Driver.GenerateMipmap()
75 * This is basically a wrapper for _mesa_meta_GenerateMipmap() which checks
76 * if we'll be using software mipmap generation. In that case, we need to
77 * map/unmap the base level texture image.
80 intelGenerateMipmap(struct gl_context *ctx, GLenum target,
81 struct gl_texture_object *texObj)
83 if (_mesa_meta_check_generate_mipmap_fallback(ctx, target, texObj)) {
84 /* sw path: need to map texture images */
85 struct intel_context *intel = intel_context(ctx);
86 struct intel_texture_object *intelObj = intel_texture_object(texObj);
87 struct gl_texture_image *first_image = texObj->Image[0][texObj->BaseLevel];
89 fallback_debug("%s - fallback to swrast\n", __FUNCTION__);
91 intel_tex_map_level_images(intel, intelObj, texObj->BaseLevel);
92 _mesa_generate_mipmap(ctx, target, texObj);
93 intel_tex_unmap_level_images(intel, intelObj, texObj->BaseLevel);
95 if (!_mesa_is_format_compressed(first_image->TexFormat)) {
96 GLuint nr_faces = (texObj->Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
98 /* Update the level information in our private data in the new images,
99 * since it didn't get set as part of a normal TexImage path.
101 for (face = 0; face < nr_faces; face++) {
102 for (i = texObj->BaseLevel + 1; i < texObj->MaxLevel; i++) {
103 struct intel_texture_image *intelImage =
104 intel_texture_image(texObj->Image[face][i]);
107 intelImage->level = i;
108 intelImage->face = face;
109 /* Unreference the miptree to signal that the new Data is a
110 * bare pointer from mesa.
112 intel_miptree_release(intel, &intelImage->mt);
118 _mesa_meta_GenerateMipmap(ctx, target, texObj);
124 intelInitTextureFuncs(struct dd_function_table *functions)
126 functions->GenerateMipmap = intelGenerateMipmap;
128 functions->NewTextureObject = intelNewTextureObject;
129 functions->NewTextureImage = intelNewTextureImage;
130 functions->DeleteTexture = intelDeleteTextureObject;
131 functions->FreeTexImageData = intelFreeTextureImageData;