[Mesa-dev] [PATCH 6/9] mesa: Move glBindBufferBase and glBindBufferRange() to bufferobj.

Eric Anholt eric at anholt.net
Mon Jun 18 18:35:35 PDT 2012


The rest of the TFB implementation remains in transformfeedback.c.
---
 src/mesa/main/bufferobj.c         |   61 +++++++++++++++++++++++++++++++++++++
 src/mesa/main/bufferobj.h         |    7 +++++
 src/mesa/main/transformfeedback.c |   55 ++++++---------------------------
 src/mesa/main/transformfeedback.h |   15 ++++++---
 4 files changed, 88 insertions(+), 50 deletions(-)

diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index e3869da..b69ddc9 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -1994,6 +1994,65 @@ _mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname,
 
 #endif /* FEATURE_APPLE_object_purgeable */
 
+
+void GLAPIENTRY
+_mesa_BindBufferRange(GLenum target, GLuint index,
+                      GLuint buffer, GLintptr offset, GLsizeiptr size)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_buffer_object *bufObj;
+
+   if (buffer == 0) {
+      bufObj = ctx->Shared->NullBufferObj;
+   } else {
+      bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+   }
+
+   if (!bufObj) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glBindBufferRange(invalid buffer=%u)", buffer);
+      return;
+   }
+
+   switch (target) {
+   case GL_TRANSFORM_FEEDBACK_BUFFER:
+      _mesa_bind_buffer_range_transform_feedback(ctx, index, bufObj,
+						 offset, size);
+      return;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferRange(target)");
+      return;
+   }
+}
+
+void GLAPIENTRY
+_mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_buffer_object *bufObj;
+
+   if (buffer == 0) {
+      bufObj = ctx->Shared->NullBufferObj;
+   } else {
+      bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+   }
+
+   if (!bufObj) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glBindBufferBase(invalid buffer=%u)", buffer);
+      return;
+   }
+
+   switch (target) {
+   case GL_TRANSFORM_FEEDBACK_BUFFER:
+      _mesa_bind_buffer_base_transform_feedback(ctx, index, bufObj);
+      return;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferBase(target)");
+      return;
+   }
+}
+
 void
 _mesa_init_bufferobj_dispatch(struct _glapi_table *disp)
 {
@@ -2008,4 +2067,6 @@ _mesa_init_bufferobj_dispatch(struct _glapi_table *disp)
    SET_IsBufferARB(disp, _mesa_IsBufferARB);
    SET_MapBufferARB(disp, _mesa_MapBufferARB);
    SET_UnmapBufferARB(disp, _mesa_UnmapBufferARB);
+   SET_BindBufferRangeEXT(disp, _mesa_BindBufferRange);
+   SET_BindBufferBaseEXT(disp, _mesa_BindBufferBase);
 }
diff --git a/src/mesa/main/bufferobj.h b/src/mesa/main/bufferobj.h
index 819ca25..e1d0f7a 100644
--- a/src/mesa/main/bufferobj.h
+++ b/src/mesa/main/bufferobj.h
@@ -159,6 +159,13 @@ extern void GLAPIENTRY
 _mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname, GLint* params);
 #endif
 
+void GLAPIENTRY
+_mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer);
+
+void GLAPIENTRY
+_mesa_BindBufferRange(GLenum target, GLuint index,
+                      GLuint buffer, GLintptr offset, GLsizeiptr size);
+
 extern void
 _mesa_init_bufferobj_dispatch(struct _glapi_table *disp);
 
diff --git a/src/mesa/main/transformfeedback.c b/src/mesa/main/transformfeedback.c
index 1bd76d1..82e2c5e 100644
--- a/src/mesa/main/transformfeedback.c
+++ b/src/mesa/main/transformfeedback.c
@@ -291,8 +291,6 @@ _mesa_init_transform_feedback_dispatch(struct _glapi_table *disp)
    /* EXT_transform_feedback */
    SET_BeginTransformFeedbackEXT(disp, _mesa_BeginTransformFeedback);
    SET_EndTransformFeedbackEXT(disp, _mesa_EndTransformFeedback);
-   SET_BindBufferRangeEXT(disp, _mesa_BindBufferRange);
-   SET_BindBufferBaseEXT(disp, _mesa_BindBufferBase);
    SET_BindBufferOffsetEXT(disp, _mesa_BindBufferOffsetEXT);
    SET_TransformFeedbackVaryingsEXT(disp, _mesa_TransformFeedbackVaryings);
    SET_GetTransformFeedbackVaryingEXT(disp, _mesa_GetTransformFeedbackVarying);
@@ -431,18 +429,14 @@ bind_buffer_range(struct gl_context *ctx, GLuint index,
  * Specify a buffer object to receive vertex shader results.  Plus,
  * specify the starting offset to place the results, and max size.
  */
-void GLAPIENTRY
-_mesa_BindBufferRange(GLenum target, GLuint index,
-                      GLuint buffer, GLintptr offset, GLsizeiptr size)
+void
+_mesa_bind_buffer_range_transform_feedback(struct gl_context *ctx,
+					   GLuint index,
+					   struct gl_buffer_object *bufObj,
+					   GLintptr offset,
+					   GLsizeiptr size)
 {
    struct gl_transform_feedback_object *obj;
-   struct gl_buffer_object *bufObj;
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (target != GL_TRANSFORM_FEEDBACK_BUFFER) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferRange(target)");
-      return;
-   }
 
    obj = ctx->TransformFeedback.CurrentObject;
 
@@ -470,18 +464,6 @@ _mesa_BindBufferRange(GLenum target, GLuint index,
       return;
    }  
 
-   if (buffer == 0) {
-      bufObj = ctx->Shared->NullBufferObj;
-   } else {
-      bufObj = _mesa_lookup_bufferobj(ctx, buffer);
-   }
-
-   if (!bufObj) {
-      _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "glBindBufferRange(invalid buffer=%u)", buffer);
-      return;
-   }
-
    if (offset + size > bufObj->Size) {
       _mesa_error(ctx, GL_INVALID_VALUE,
                   "glBindBufferRange(offset + size %d > buffer size %d)",
@@ -497,18 +479,13 @@ _mesa_BindBufferRange(GLenum target, GLuint index,
  * Specify a buffer object to receive vertex shader results.
  * As above, but start at offset = 0.
  */
-void GLAPIENTRY
-_mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer)
+void
+_mesa_bind_buffer_base_transform_feedback(struct gl_context *ctx,
+					  GLuint index,
+					  struct gl_buffer_object *bufObj)
 {
    struct gl_transform_feedback_object *obj;
-   struct gl_buffer_object *bufObj;
    GLsizeiptr size;
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (target != GL_TRANSFORM_FEEDBACK_BUFFER) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferBase(target)");
-      return;
-   }
 
    obj = ctx->TransformFeedback.CurrentObject;
 
@@ -523,18 +500,6 @@ _mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer)
       return;
    }
 
-   if (buffer == 0) {
-      bufObj = ctx->Shared->NullBufferObj;
-   } else {
-      bufObj = _mesa_lookup_bufferobj(ctx, buffer);
-   }
-
-   if (!bufObj) {
-      _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "glBindBufferBase(invalid buffer=%u)", buffer);
-      return;
-   }
-
    /* default size is the buffer size rounded down to nearest
     * multiple of four.
     */
diff --git a/src/mesa/main/transformfeedback.h b/src/mesa/main/transformfeedback.h
index 7d63de0..85f4cbc 100644
--- a/src/mesa/main/transformfeedback.h
+++ b/src/mesa/main/transformfeedback.h
@@ -60,12 +60,17 @@ _mesa_BeginTransformFeedback(GLenum mode);
 extern void GLAPIENTRY
 _mesa_EndTransformFeedback(void);
 
-extern void GLAPIENTRY
-_mesa_BindBufferRange(GLenum target, GLuint index,
-                      GLuint buffer, GLintptr offset, GLsizeiptr size);
+extern void
+_mesa_bind_buffer_range_transform_feedback(struct gl_context *ctx,
+					   GLuint index,
+					   struct gl_buffer_object *bufObj,
+					   GLintptr offset,
+					   GLsizeiptr size);
 
-extern void GLAPIENTRY
-_mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer);
+extern void
+_mesa_bind_buffer_base_transform_feedback(struct gl_context *ctx,
+					  GLuint index,
+					  struct gl_buffer_object *bufObj);
 
 extern void GLAPIENTRY
 _mesa_BindBufferOffsetEXT(GLenum target, GLuint index, GLuint buffer,
-- 
1.7.10



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