From 9bcb9fad65f0926d665317d6830e9812baafcf86 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Fri, 10 Aug 2012 21:31:57 -0700 Subject: [PATCH] intel: Implement ARB_texture_storage This is basically cut-and-paste from the swrast implementation, and it could probably be (slightly) more optimal. Signed-off-by: Ian Romanick Reviewed-by: Kenneth Graunke --- src/mesa/drivers/dri/intel/intel_extensions.c | 1 + src/mesa/drivers/dri/intel/intel_tex.c | 26 +++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c b/src/mesa/drivers/dri/intel/intel_extensions.c index 76b56a2a917..746184f5c6c 100755 --- a/src/mesa/drivers/dri/intel/intel_extensions.c +++ b/src/mesa/drivers/dri/intel/intel_extensions.c @@ -57,6 +57,7 @@ intelInitExtensions(struct gl_context *ctx) ctx->Extensions.ARB_texture_env_combine = true; ctx->Extensions.ARB_texture_env_crossbar = true; ctx->Extensions.ARB_texture_env_dot3 = true; + ctx->Extensions.ARB_texture_storage = true; ctx->Extensions.ARB_vertex_array_object = true; ctx->Extensions.ARB_vertex_program = true; ctx->Extensions.ARB_vertex_shader = true; diff --git a/src/mesa/drivers/dri/intel/intel_tex.c b/src/mesa/drivers/dri/intel/intel_tex.c index 92481b9b55f..4abe9885369 100644 --- a/src/mesa/drivers/dri/intel/intel_tex.c +++ b/src/mesa/drivers/dri/intel/intel_tex.c @@ -110,6 +110,31 @@ intel_alloc_texture_image_buffer(struct gl_context *ctx, return true; } +/** + * Called via ctx->Driver.AllocTextureStorage() + * Just have to allocate memory for the texture images. + */ +static GLboolean +intel_alloc_texture_storage(struct gl_context *ctx, + struct gl_texture_object *texObj, + GLsizei levels, GLsizei width, + GLsizei height, GLsizei depth) +{ + const int numFaces = (texObj->Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; + int face; + int level; + + for (face = 0; face < numFaces; face++) { + for (level = 0; level < levels; level++) { + struct gl_texture_image *const texImage = texObj->Image[face][level]; + if (!intel_alloc_texture_image_buffer(ctx, texImage)) + return false; + } + } + + return true; +} + static void intel_free_texture_image_buffer(struct gl_context * ctx, struct gl_texture_image *texImage) @@ -191,6 +216,7 @@ intelInitTextureFuncs(struct dd_function_table *functions) functions->DeleteTexture = intelDeleteTextureObject; functions->AllocTextureImageBuffer = intel_alloc_texture_image_buffer; functions->FreeTextureImageBuffer = intel_free_texture_image_buffer; + functions->AllocTextureStorage = intel_alloc_texture_storage; functions->MapTextureImage = intel_map_texture_image; functions->UnmapTextureImage = intel_unmap_texture_image; } -- 2.30.2