mesa: add support for GL_OES_EGL_image_external

[android-x86/external-mesa.git] / src / mesa / main / shared.c

diff --git a/src/mesa/main/shared.c b/src/mesa/main/shared.c
index 4d01e8a..caa6132 100644 (file)
--- a/src/mesa/main/shared.c
+++ b/src/mesa/main/shared.c
@@ -27,23 +27,23 @@
  * Shared-context state
  */
 
-
-
 #include "imports.h"
+#include "mfeatures.h"
 #include "mtypes.h"
 #include "hash.h"
-#include "arrayobj.h"
+#if FEATURE_ATI_fragment_shader
+#include "atifragshader.h"
+#endif
 #include "bufferobj.h"
 #include "shared.h"
-#include "shader/program.h"
-#include "shader/shader_api.h"
+#include "program/program.h"
 #include "dlist.h"
-#if FEATURE_ATI_fragment_shader
-#include "shader/atifragshader.h"
+#if FEATURE_ARB_sampler_objects
+#include "samplerobj.h"
 #endif
-#if FEATURE_ARB_sync
+#include "shaderobj.h"
 #include "syncobj.h"
-#endif
+
 
 /**
  * Allocate and initialize a shared context state structure.
@@ -55,7 +55,7 @@
  * failure.
  */
 struct gl_shared_state *
-_mesa_alloc_shared_state(GLcontext *ctx)
+_mesa_alloc_shared_state(struct gl_context *ctx)
 {
    struct gl_shared_state *shared;
    GLuint i;
@@ -93,25 +93,29 @@ _mesa_alloc_shared_state(GLcontext *ctx)
    shared->BufferObjects = _mesa_NewHashTable();
 #endif
 
-   /* Allocate the default buffer object and set refcount so high that
-    * it never gets deleted.
-    * XXX with recent/improved refcounting this may not longer be needed.
-    */
+#if FEATURE_ARB_sampler_objects
+   /* GL_ARB_sampler_objects */
+   shared->SamplerObjects = _mesa_NewHashTable();
+#endif
+
+   /* Allocate the default buffer object */
    shared->NullBufferObj = ctx->Driver.NewBufferObject(ctx, 0, 0);
-   shared->NullBufferObj->RefCount = 1000 * 1000 * 1000;
 
    /* Create default texture objects */
    for (i = 0; i < NUM_TEXTURE_TARGETS; i++) {
       /* NOTE: the order of these enums matches the TEXTURE_x_INDEX values */
       static const GLenum targets[NUM_TEXTURE_TARGETS] = {
+         GL_TEXTURE_BUFFER,
          GL_TEXTURE_2D_ARRAY_EXT,
          GL_TEXTURE_1D_ARRAY_EXT,
+         GL_TEXTURE_EXTERNAL_OES,
          GL_TEXTURE_CUBE_MAP,
          GL_TEXTURE_3D,
          GL_TEXTURE_RECTANGLE_NV,
          GL_TEXTURE_2D,
          GL_TEXTURE_1D
       };
+      assert(Elements(targets) == NUM_TEXTURE_TARGETS);
       shared->DefaultTex[i] = ctx->Driver.NewTextureObject(ctx, 0, targets[i]);
    }
 
@@ -127,9 +131,7 @@ _mesa_alloc_shared_state(GLcontext *ctx)
    shared->RenderBuffers = _mesa_NewHashTable();
 #endif
 
-#if FEATURE_ARB_sync
    make_empty_list(& shared->SyncObjects);
-#endif
 
    return shared;
 }
@@ -142,7 +144,7 @@ static void
 delete_displaylist_cb(GLuint id, void *data, void *userData)
 {
    struct gl_display_list *list = (struct gl_display_list *) data;
-   GLcontext *ctx = (GLcontext *) userData;
+   struct gl_context *ctx = (struct gl_context *) userData;
    _mesa_delete_list(ctx, list);
 }
 
@@ -154,7 +156,7 @@ static void
 delete_texture_cb(GLuint id, void *data, void *userData)
 {
    struct gl_texture_object *texObj = (struct gl_texture_object *) data;
-   GLcontext *ctx = (GLcontext *) userData;
+   struct gl_context *ctx = (struct gl_context *) userData;
    ctx->Driver.DeleteTexture(ctx, texObj);
 }
 
@@ -166,7 +168,7 @@ static void
 delete_program_cb(GLuint id, void *data, void *userData)
 {
    struct gl_program *prog = (struct gl_program *) data;
-   GLcontext *ctx = (GLcontext *) userData;
+   struct gl_context *ctx = (struct gl_context *) userData;
    if(prog != &_mesa_DummyProgram) {
       ASSERT(prog->RefCount == 1); /* should only be referenced by hash table */
       prog->RefCount = 0;  /* now going away */
@@ -184,7 +186,7 @@ static void
 delete_fragshader_cb(GLuint id, void *data, void *userData)
 {
    struct ati_fragment_shader *shader = (struct ati_fragment_shader *) data;
-   GLcontext *ctx = (GLcontext *) userData;
+   struct gl_context *ctx = (struct gl_context *) userData;
    _mesa_delete_ati_fragment_shader(ctx, shader);
 }
 #endif
@@ -197,12 +199,12 @@ static void
 delete_bufferobj_cb(GLuint id, void *data, void *userData)
 {
    struct gl_buffer_object *bufObj = (struct gl_buffer_object *) data;
-   GLcontext *ctx = (GLcontext *) userData;
+   struct gl_context *ctx = (struct gl_context *) userData;
    if (_mesa_bufferobj_mapped(bufObj)) {
-      ctx->Driver.UnmapBuffer(ctx, 0, bufObj);
+      ctx->Driver.UnmapBuffer(ctx, bufObj);
       bufObj->Pointer = NULL;
    }
-   ctx->Driver.DeleteBuffer(ctx, bufObj);
+   _mesa_reference_buffer_object(ctx, &bufObj, NULL);
 }
 
 
@@ -213,7 +215,7 @@ delete_bufferobj_cb(GLuint id, void *data, void *userData)
 static void
 free_shader_program_data_cb(GLuint id, void *data, void *userData)
 {
-   GLcontext *ctx = (GLcontext *) userData;
+   struct gl_context *ctx = (struct gl_context *) userData;
    struct gl_shader_program *shProg = (struct gl_shader_program *) data;
 
    if (shProg->Type == GL_SHADER_PROGRAM_MESA) {
@@ -229,15 +231,15 @@ free_shader_program_data_cb(GLuint id, void *data, void *userData)
 static void
 delete_shader_cb(GLuint id, void *data, void *userData)
 {
-   GLcontext *ctx = (GLcontext *) userData;
+   struct gl_context *ctx = (struct gl_context *) userData;
    struct gl_shader *sh = (struct gl_shader *) data;
    if (sh->Type == GL_FRAGMENT_SHADER || sh->Type == GL_VERTEX_SHADER) {
-      _mesa_free_shader(ctx, sh);
+      ctx->Driver.DeleteShader(ctx, sh);
    }
    else {
       struct gl_shader_program *shProg = (struct gl_shader_program *) data;
       ASSERT(shProg->Type == GL_SHADER_PROGRAM_MESA);
-      _mesa_free_shader_program(ctx, shProg);
+      ctx->Driver.DeleteShaderProgram(ctx, shProg);
    }
 }
 
@@ -276,6 +278,20 @@ delete_renderbuffer_cb(GLuint id, void *data, void *userData)
 }
 
 
+#if FEATURE_ARB_sampler_objects
+/**
+ * Callback for deleting a sampler object. Called by _mesa_HashDeleteAll()
+ */
+static void
+delete_sampler_object_cb(GLuint id, void *data, void *userData)
+{
+   struct gl_context *ctx = (struct gl_context *) userData;
+   struct gl_sampler_object *sampObj = (struct gl_sampler_object *) data;
+   _mesa_reference_sampler_object(ctx, &sampObj, NULL);
+}
+#endif
+
+
 /**
  * Deallocate a shared state object and all children structures.
  *
@@ -288,11 +304,15 @@ delete_renderbuffer_cb(GLuint id, void *data, void *userData)
  *
  * \sa alloc_shared_state().
  */
-void
-_mesa_free_shared_state(GLcontext *ctx, struct gl_shared_state *shared)
+static void
+free_shared_state(struct gl_context *ctx, struct gl_shared_state *shared)
 {
    GLuint i;
 
+   /* Free the dummy/fallback texture object */
+   if (shared->FallbackTex)
+      ctx->Driver.DeleteTexture(ctx, shared->FallbackTex);
+
    /*
     * Free display lists
     */
@@ -335,10 +355,9 @@ _mesa_free_shared_state(GLcontext *ctx, struct gl_shared_state *shared)
 #endif
 
 #if FEATURE_ARB_vertex_buffer_object
-   ctx->Driver.DeleteBuffer(ctx, shared->NullBufferObj);
+   _mesa_reference_buffer_object(ctx, &shared->NullBufferObj, NULL);
 #endif
 
-#if FEATURE_ARB_sync
    {
       struct simple_node *node;
       struct simple_node *temp;
@@ -347,6 +366,10 @@ _mesa_free_shared_state(GLcontext *ctx, struct gl_shared_state *shared)
         _mesa_unref_sync_object(ctx, (struct gl_sync_object *) node);
       }
    }
+
+#if FEATURE_ARB_sampler_objects
+   _mesa_HashDeleteAll(shared->SamplerObjects, delete_sampler_object_cb, ctx);
+   _mesa_DeleteHashTable(shared->SamplerObjects);
 #endif
 
    /*
@@ -366,5 +389,33 @@ _mesa_free_shared_state(GLcontext *ctx, struct gl_shared_state *shared)
    _glthread_DESTROY_MUTEX(shared->Mutex);
    _glthread_DESTROY_MUTEX(shared->TexMutex);
 
-   _mesa_free(shared);
+   free(shared);
+}
+
+
+/**
+ * Decrement shared state object reference count and potentially free it
+ * and all children structures.
+ *
+ * \param ctx GL context.
+ * \param shared shared state pointer.
+ *
+ * \sa free_shared_state().
+ */
+void
+_mesa_release_shared_state(struct gl_context *ctx,
+                           struct gl_shared_state *shared)
+{
+   GLint RefCount;
+
+   _glthread_LOCK_MUTEX(shared->Mutex);
+   RefCount = --shared->RefCount;
+   _glthread_UNLOCK_MUTEX(shared->Mutex);
+
+   assert(RefCount >= 0);
+
+   if (RefCount == 0) {
+      /* free shared state */
+      free_shared_state( ctx, shared );
+   }
 }