gallium: return pipe_shader_state from the simple shader functions

Allows us to fix a mem leak (tokens array).

src/gallium/auxiliary/util/u_blit.c

@@ -58,6 +58,8 @@ struct blit_state
    struct pipe_rasterizer_state rasterizer;
    struct pipe_sampler_state sampler;
 
+   struct pipe_shader_state vert_shader;
+   struct pipe_shader_state frag_shader;
    void *vs;
    void *fs;
 
@@ -129,11 +131,12 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso)
                                       TGSI_SEMANTIC_GENERIC };
       const uint semantic_indexes[] = { 0, 0 };
       ctx->vs = util_make_vertex_passthrough_shader(pipe, 2, semantic_names,
-                                                    semantic_indexes);
+                                                    semantic_indexes,
+                                                    &ctx->vert_shader);
    }
 
    /* fragment shader */
-   ctx->fs = util_make_fragment_tex_shader(pipe);
+   ctx->fs = util_make_fragment_tex_shader(pipe, &ctx->frag_shader);
 
    ctx->vbuf = pipe->winsys->buffer_create(pipe->winsys,
                                            32,
@@ -168,6 +171,9 @@ util_destroy_blit(struct blit_state *ctx)
    pipe->delete_vs_state(pipe, ctx->vs);
    pipe->delete_fs_state(pipe, ctx->fs);
 
+   FREE((void*) ctx->vert_shader.tokens);
+   FREE((void*) ctx->frag_shader.tokens);
+
    pipe->winsys->buffer_destroy(pipe->winsys, ctx->vbuf);
 
    FREE(ctx);

src/gallium/auxiliary/util/u_gen_mipmap.c

@@ -62,6 +62,8 @@ struct gen_mipmap_state
    struct pipe_rasterizer_state rasterizer;
    struct pipe_sampler_state sampler;
 
+   struct pipe_shader_state vert_shader;
+   struct pipe_shader_state frag_shader;
    void *vs;
    void *fs;
 
@@ -740,11 +742,12 @@ util_create_gen_mipmap(struct pipe_context *pipe,
                                       TGSI_SEMANTIC_GENERIC };
       const uint semantic_indexes[] = { 0, 0 };
       ctx->vs = util_make_vertex_passthrough_shader(pipe, 2, semantic_names,
-                                                    semantic_indexes);
+                                                    semantic_indexes,
+                                                    &ctx->vert_shader);
    }
 
    /* fragment shader */
-   ctx->fs = util_make_fragment_tex_shader(pipe);
+   ctx->fs = util_make_fragment_tex_shader(pipe, &ctx->frag_shader);
 
    ctx->vbuf = pipe->winsys->buffer_create(pipe->winsys,
                                            32,
@@ -813,6 +816,9 @@ util_destroy_gen_mipmap(struct gen_mipmap_state *ctx)
    pipe->delete_vs_state(pipe, ctx->vs);
    pipe->delete_fs_state(pipe, ctx->fs);
 
+   FREE((void*) ctx->vert_shader.tokens);
+   FREE((void*) ctx->frag_shader.tokens);
+
    pipe->winsys->buffer_destroy(pipe->winsys, ctx->vbuf);
 
    FREE(ctx);

src/gallium/auxiliary/util/u_simple_shaders.c

@@ -56,7 +56,9 @@ void *
 util_make_vertex_passthrough_shader(struct pipe_context *pipe,
                                     uint num_attribs,
                                     const uint *semantic_names,
-                                    const uint *semantic_indexes)
+                                    const uint *semantic_indexes,
+                                    struct pipe_shader_state *shader)
+                                    
 {
    uint maxTokens = 100;
    struct tgsi_token *tokens;
@@ -66,7 +68,6 @@ util_make_vertex_passthrough_shader(struct pipe_context *pipe,
    struct tgsi_full_instruction inst;
    const uint procType = TGSI_PROCESSOR_VERTEX;
    uint ti, i;
-   struct pipe_shader_state shader;
 
    tokens = (struct tgsi_token *) MALLOC(maxTokens * sizeof(tokens[0]));
 
@@ -145,8 +146,10 @@ util_make_vertex_passthrough_shader(struct pipe_context *pipe,
    tgsi_dump(tokens, 0);
 #endif
 
-   shader.tokens = tokens;
-   return pipe->create_vs_state(pipe, &shader);
+   shader->tokens = tokens;
+   /*shader->num_tokens = ti;*/
+
+   return pipe->create_vs_state(pipe, shader);
 }
 
 
@@ -158,7 +161,8 @@ util_make_vertex_passthrough_shader(struct pipe_context *pipe,
  *  END;
  */
 void *
-util_make_fragment_tex_shader(struct pipe_context *pipe)
+util_make_fragment_tex_shader(struct pipe_context *pipe,
+                              struct pipe_shader_state *shader)
 {
    uint maxTokens = 100;
    struct tgsi_token *tokens;
@@ -168,7 +172,6 @@ util_make_fragment_tex_shader(struct pipe_context *pipe)
    struct tgsi_full_instruction inst;
    const uint procType = TGSI_PROCESSOR_FRAGMENT;
    uint ti;
-   struct pipe_shader_state shader;
 
    tokens = (struct tgsi_token *) MALLOC(maxTokens * sizeof(tokens[0]));
 
@@ -254,8 +257,10 @@ util_make_fragment_tex_shader(struct pipe_context *pipe)
    tgsi_dump(tokens, 0);
 #endif
 
-   shader.tokens = tokens;
-   return pipe->create_fs_state(pipe, &shader);
+   shader->tokens = tokens;
+   /*shader->num_tokens = ti;*/
+
+   return pipe->create_fs_state(pipe, shader);
 }
 
 
@@ -266,7 +271,8 @@ util_make_fragment_tex_shader(struct pipe_context *pipe)
  * Make simple fragment color pass-through shader.
  */
 void *
-util_make_fragment_passthrough_shader(struct pipe_context *pipe)
+util_make_fragment_passthrough_shader(struct pipe_context *pipe,
+                                      struct pipe_shader_state *shader)
 {
    uint maxTokens = 40;
    struct tgsi_token *tokens;
@@ -276,7 +282,6 @@ util_make_fragment_passthrough_shader(struct pipe_context *pipe)
    struct tgsi_full_instruction inst;
    const uint procType = TGSI_PROCESSOR_FRAGMENT;
    uint ti;
-   struct pipe_shader_state shader;
 
    tokens = (struct tgsi_token *) MALLOC(maxTokens * sizeof(tokens[0]));
 
@@ -349,7 +354,9 @@ util_make_fragment_passthrough_shader(struct pipe_context *pipe)
    tgsi_dump(tokens, 0);
 #endif
 
-   shader.tokens = tokens;
-   return pipe->create_fs_state(pipe, &shader);
+   shader->tokens = tokens;
+   /*shader->num_tokens = ti;*/
+
+   return pipe->create_fs_state(pipe, shader);
 }
 

src/gallium/auxiliary/util/u_simple_shaders.h

@@ -34,6 +34,7 @@
 
 
 struct pipe_context;
+struct pipe_shader_state;
 
 
 #ifdef __cplusplus
@@ -45,15 +46,18 @@ extern void *
 util_make_vertex_passthrough_shader(struct pipe_context *pipe,
                                     uint num_attribs,
                                     const uint *semantic_names,
-                                    const uint *semantic_indexes);
+                                    const uint *semantic_indexes,
+                                    struct pipe_shader_state *shader);
 
 
 extern void *
-util_make_fragment_tex_shader(struct pipe_context *pipe);
+util_make_fragment_tex_shader(struct pipe_context *pipe,
+                              struct pipe_shader_state *shader);
 
 
 extern void *
-util_make_fragment_passthrough_shader(struct pipe_context *pipe);
+util_make_fragment_passthrough_shader(struct pipe_context *pipe,
+                                      struct pipe_shader_state *shader);
 
 
 #ifdef __cplusplus