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Removed COGLhandle and changed shader and program functions to be

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wrapped in reference-counted CoglHandles instead.

	* clutter/cogl/gl/cogl-shader.c: 
	* clutter/cogl/gl/cogl-shader.h: 
	* clutter/cogl/gl/cogl-program.c: 
	* clutter/cogl/gl/cogl-program.h: 
	New files to hold the shader and program functions.

	* clutter/cogl/gl/cogl.c: Removed shader and program functions.

	* clutter/cogl/common/cogl-handle.h: New header to define
	COGL_HANDLE_DEFINE which helps build functions to create
	reference-counted handles. This reduces the amount of duplicated
	code.

	* clutter/cogl/gl/cogl-texture.c: 
	* clutter/cogl/gles/cogl-texture.c: 
	* clutter/cogl/gl/cogl-fbo.c: Converted to use COGL_HANDLE_DEFINE
	from cogl-handle.h to avoid duplicating some of the common code.

	* clutter/cogl/gles/cogl-defines.h.in: 
	* clutter/cogl/gl/cogl-defines.h.in: Removed COGLhandle

	* clutter/cogl/gl/cogl-context.h: Added handle arrays for programs
	and shaders.

	* clutter/cogl/gl/cogl-context.c (cogl_create_context): Added
	initialisers for shader_handles and program_handles.
	(cogl_destroy_context): Added calls to g_array_free for all handle
	arrays.

	* clutter/cogl/gl/Makefile.am (libclutter_cogl_la_SOURCES): Added
	cogl-{program,shader}.{c,h}

	* clutter/cogl/common/Makefile.am
	(libclutter_cogl_common_la_SOURCES): Added cogl-handle.h

	* clutter/cogl/gles/cogl.c:
	* clutter/cogl/cogl.h.in: Programs and shaders are now wrapped in
	CoglHandles instead of COGLhandles. cogl_program_destroy and
	cogl_shader_destroy is now replaced with cogl_program_unref and
	cogl_shader_unref. cogl_program_ref and cogl_shader_ref are also
	added.

	* clutter/clutter-shader.c: Converted to use CoglHandles for the
	programs and shaders instead of COGLhandles.

	* cogl/cogl-sections.txt: Added cogl_shader_ref,
	cogl_shader_unref, cogl_is_shader, cogl_program_ref,
	cogl_program_unref, cogl_is_program and cogl_is_offscreen.
This commit is contained in:
Neil Roberts 2008-04-29 16:10:37 +00:00
parent b30935170e
commit 19058afe82
21 changed files with 809 additions and 570 deletions
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50
ChangeLog
View file

@ -1,3 +1,53 @@
2008-04-29 Neil Roberts <neil@o-hand.com>
Removed COGLhandle and changed shader and program functions to be
wrapped in reference-counted CoglHandles instead.
* clutter/cogl/gl/cogl-shader.c:
* clutter/cogl/gl/cogl-shader.h:
* clutter/cogl/gl/cogl-program.c:
* clutter/cogl/gl/cogl-program.h:
New files to hold the shader and program functions.
* clutter/cogl/gl/cogl.c: Removed shader and program functions.
* clutter/cogl/common/cogl-handle.h: New header to define
COGL_HANDLE_DEFINE which helps build functions to create
reference-counted handles. This reduces the amount of duplicated
code.
* clutter/cogl/gl/cogl-texture.c:
* clutter/cogl/gles/cogl-texture.c:
* clutter/cogl/gl/cogl-fbo.c: Converted to use COGL_HANDLE_DEFINE
from cogl-handle.h to avoid duplicating some of the common code.
* clutter/cogl/gles/cogl-defines.h.in:
* clutter/cogl/gl/cogl-defines.h.in: Removed COGLhandle
* clutter/cogl/gl/cogl-context.h: Added handle arrays for programs
and shaders.
* clutter/cogl/gl/cogl-context.c (cogl_create_context): Added
initialisers for shader_handles and program_handles.
(cogl_destroy_context): Added calls to g_array_free for all handle
arrays.
* clutter/cogl/gl/Makefile.am (libclutter_cogl_la_SOURCES): Added
cogl-{program,shader}.{c,h}
* clutter/cogl/common/Makefile.am
(libclutter_cogl_common_la_SOURCES): Added cogl-handle.h
* clutter/cogl/gles/cogl.c:
* clutter/cogl/cogl.h.in: Programs and shaders are now wrapped in
CoglHandles instead of COGLhandles. cogl_program_destroy and
cogl_shader_destroy is now replaced with cogl_program_unref and
cogl_shader_unref. cogl_program_ref and cogl_shader_ref are also
added.
* clutter/clutter-shader.c: Converted to use CoglHandles for the
programs and shaders instead of COGLhandles.
2008-04-29 Øyvind Kolås <pippin@o-hand.com>
* clutter/cogl/cogl.h.in: renaming of API's in cogl to make the

42
clutter/clutter-shader.c
View file

@ -77,10 +77,10 @@ struct _ClutterShaderPrivate
gchar *vertex_source; /* GLSL source for vertex shader */
gchar *fragment_source; /* GLSL source for fragment shader */
COGLhandle program;
CoglHandle program;
COGLhandle vertex_shader;
COGLhandle fragment_shader;
CoglHandle vertex_shader;
CoglHandle fragment_shader;
};
enum
@ -281,9 +281,9 @@ clutter_shader_init (ClutterShader *self)
priv->vertex_source = NULL;
priv->fragment_source = NULL;
priv->program = 0;
priv->vertex_shader = 0;
priv->fragment_shader = 0;
priv->program = COGL_INVALID_HANDLE;
priv->vertex_shader = COGL_INVALID_HANDLE;
priv->fragment_shader = COGL_INVALID_HANDLE;
}
/**
@ -405,7 +405,7 @@ bind_glsl_shader (ClutterShader *self,
priv->program = cogl_create_program ();
if (priv->vertex_is_glsl && priv->vertex_source)
if (priv->vertex_is_glsl && priv->vertex_source != COGL_INVALID_HANDLE)
{
priv->vertex_shader = cogl_create_shader (CGL_VERTEX_SHADER);
@ -414,7 +414,7 @@ bind_glsl_shader (ClutterShader *self,
cogl_program_attach_shader (priv->program, priv->vertex_shader);
}
if (priv->fragment_is_glsl && priv->fragment_source)
if (priv->fragment_is_glsl && priv->fragment_source != COGL_INVALID_HANDLE)
{
GLint compiled = CGL_FALSE;
@ -474,8 +474,8 @@ clutter_shader_compile (ClutterShader *shader,
if (priv->compiled)
return priv->compiled;
if ((priv->vertex_source && !priv->vertex_is_glsl) ||
(priv->fragment_source && !priv->fragment_is_glsl))
if ((priv->vertex_source != COGL_INVALID_HANDLE && !priv->vertex_is_glsl) ||
(priv->fragment_source != COGL_INVALID_HANDLE && !priv->fragment_is_glsl))
{
/* XXX: Could remove this check, since we only advertise support for GLSL
* shaders anyways. */
@ -521,20 +521,20 @@ clutter_shader_release (ClutterShader *shader)
if (!priv->compiled)
return;
g_assert (priv->program);
g_assert (priv->program != COGL_INVALID_HANDLE);
if (priv->vertex_is_glsl && priv->vertex_shader)
cogl_shader_destroy (priv->vertex_shader);
if (priv->vertex_is_glsl && priv->vertex_shader != COGL_INVALID_HANDLE)
cogl_shader_unref (priv->vertex_shader);
if (priv->fragment_is_glsl && priv->fragment_shader)
cogl_shader_destroy (priv->fragment_shader);
if (priv->fragment_is_glsl && priv->fragment_shader != COGL_INVALID_HANDLE)
cogl_shader_unref (priv->fragment_shader);
if (priv->program)
cogl_program_destroy (priv->program);
if (priv->program != COGL_INVALID_HANDLE)
cogl_program_unref (priv->program);
priv->vertex_shader = 0;
priv->fragment_shader = 0;
priv->program = 0;
priv->vertex_shader = COGL_INVALID_HANDLE;
priv->fragment_shader = COGL_INVALID_HANDLE;
priv->program = COGL_INVALID_HANDLE;
priv->compiled = FALSE;
g_object_notify (G_OBJECT (shader), "compiled");
@ -603,7 +603,7 @@ clutter_shader_set_is_enabled (ClutterShader *shader,
if (priv->is_enabled)
cogl_program_use (priv->program);
else
cogl_program_use (0);
cogl_program_use (COGL_INVALID_HANDLE);
g_object_notify (G_OBJECT (shader), "enabled");
}

125
clutter/cogl/cogl.h.in
View file

@ -829,7 +829,7 @@ gboolean cogl_texture_set_region (CoglHandle handle,
* cogl_texture_ref:
* @handle: a @CoglHandle.
*
* Increment the reference count for a cogl.
* Increment the reference count for a cogl texture.
*
* Returns: the @handle.
*/
@ -1242,45 +1242,67 @@ void cogl_path_round_rectangle (ClutterFixed x,
/**
* cogl_create_shader:
* @shader_type: CGL_VERTEX_SHADER og CGL_FRAGMENT_SHADER.
* @shader_type: CGL_VERTEX_SHADER or CGL_FRAGMENT_SHADER.
*
* Create a new shader handle, use #cogl_shader_source to set the source code
* to be used on it.
*
* Returns: a new shader handle.
*/
COGLhandle cogl_create_shader (COGLenum shader_type);
CoglHandle cogl_create_shader (COGLenum shader_type);
/**
* cogl_shader_destroy:
* @handle: #COGLhandle for a shader.
* cogl_shader_ref:
* @handle: A #CoglHandle to a shader.
*
* Free up the resources used by a cogl shader.
* Add an extra reference to a shader.
*
* Returns: @handle
*/
void cogl_shader_destroy (COGLhandle handle);
CoglHandle cogl_shader_ref (CoglHandle handle);
/**
* cogl_shader_unref:
* @handle: A #CoglHandle to a shader.
*
* Removes a reference to a shader. If it was the last reference the
* shader object will be destroyed.
*/
void cogl_shader_unref (CoglHandle handle);
/**
* cogl_is_shader:
* @handle: A CoglHandle
*
* Gets whether the given handle references an existing shader object.
*
* Returns: %TRUE if the handle references a shader,
* %FALSE otherwise
*/
gboolean cogl_is_shader (CoglHandle handle);
/**
* cogl_shader_source:
* @shader: #COGLhandle for a shader.
* @shader: #CoglHandle for a shader.
* @source: GLSL shader source.
*
* Replaces the current GLSL source associated with a shader with a new
* one.
*/
void cogl_shader_source (COGLhandle shader,
void cogl_shader_source (CoglHandle shader,
const gchar *source);
/**
* cogl_shader_compile:
* @shader_handle: #COGLhandle for a shader.
* @handle: #CoglHandle for a shader.
*
* Compiles the shader, no return value, but the shader is now ready for
* linking into a program.
*/
void cogl_shader_compile (COGLhandle shader_handle);
void cogl_shader_compile (CoglHandle handle);
/**
* cogl_shader_get_info_log:
* @handle: #COGLhandle for a shader.
* @handle: #CoglHandle for a shader.
* @size: maximum number of bytes to retrieve.
* @buffer: location for info log.
*
@ -1289,20 +1311,20 @@ void cogl_shader_compile (COGLhandle shader_handle);
* messages that caused a shader to not compile correctly, mainly useful for
* debugging purposes.
*/
void cogl_shader_get_info_log (COGLhandle handle,
void cogl_shader_get_info_log (CoglHandle handle,
guint size,
gchar *buffer);
/**
* cogl_shader_get_parameteriv:
* @handle: #COGLhandle for a shader.
* @handle: #CoglHandle for a shader.
* @pname: the named COGL parameter to retrieve.
* @dest: storage location for COGLint return value.
*
* Retrieve a named parameter from a shader can be used to query to compile
* satus of a shader by passing in CGL_OBJECT_COMPILE_STATUS for @pname.
*/
void cogl_shader_get_parameteriv (COGLhandle handle,
void cogl_shader_get_parameteriv (CoglHandle handle,
COGLenum pname,
COGLint *dest);
@ -1314,48 +1336,71 @@ void cogl_shader_get_parameteriv (COGLhandle handle,
*
* Returns: a new cogl program.
*/
COGLhandle cogl_create_program (void);
CoglHandle cogl_create_program (void);
/**
* cogl_program_destroy:
* @handle: #COGLhandle for a shader.
* cogl_program_ref:
* @handle: A #CoglHandle to a program.
*
* Releases all resources held by a cogl program.
* Add an extra reference to a program.
*
* Returns: @handle
*/
void cogl_program_destroy (COGLhandle handle);
CoglHandle cogl_program_ref (CoglHandle handle);
/**
* cogl_program_unref:
* @handle: A #CoglHandle to a program.
*
* Removes a reference to a program. If it was the last reference the
* program object will be destroyed.
*/
void cogl_program_unref (CoglHandle handle);
/**
* cogl_is_program:
* @handle: A CoglHandle
*
* Gets whether the given handle references an existing program object.
*
* Returns: %TRUE if the handle references a program,
* %FALSE otherwise
*/
gboolean cogl_is_program (CoglHandle handle);
/**
* cogl_program_attach_shader:
* @program_handle: a #COGLhandle for a shdaer program.
* @shader_handle: a #COGLhandle for a vertex of fragment shader.
* @program_handle: a #CoglHandle for a shdaer program.
* @shader_handle: a #CoglHandle for a vertex of fragment shader.
*
* Attaches a shader to a program object, a program can have one vertex shader
* and one fragment shader attached.
*/
void cogl_program_attach_shader (COGLhandle program_handle,
COGLhandle shader_handle);
void cogl_program_attach_shader (CoglHandle program_handle,
CoglHandle shader_handle);
/**
* cogl_program_link:
* @program_handle: a #COGLhandle for a shader program.
* @handle: a #CoglHandle for a shader program.
*
* Links a program making it ready for use.
*/
void cogl_program_link (COGLhandle program_handle);
void cogl_program_link (CoglHandle handle);
/**
* cogl_program_use:
* @program_handle: a #COGLhandle for a shader program or 0.
* @handle: a #CoglHandle for a shader program or COGL_INVALID_HANDLE.
*
* Activate a specific shader program replacing that part of the GL rendering
* pipeline, if passed in 0 the default behavior of GL is reinstated.
* Activate a specific shader program replacing that part of the GL
* rendering pipeline, if passed in COGL_INVALID_HANDLE the default
* behavior of GL is reinstated.
*/
void cogl_program_use (COGLhandle program_handle);
void cogl_program_use (CoglHandle handle);
/**
* cogl_program_get_uniform_location:
* @program_handle: a #COGLhandle for a shader program.
* @handle: a #CoglHandle for a shader program.
* @uniform_name: the name of a uniform.
*
* Retrieve the location (offset) of a uniform variable in a shader program, a
@ -1366,7 +1411,7 @@ void cogl_program_use (COGLhandle program_handle);
* set using #cogl_program_uniform_1f when the program is in use.
*/
COGLint cogl_program_get_uniform_location
(COGLhandle program_handle,
(CoglHandle handle,
const gchar *uniform_name);
@ -1378,8 +1423,8 @@ COGLint cogl_program_get_uniform_location
* Changes the value of a uniform in the currently used (see #cogl_program_use)
* shader program.
*/
void cogl_program_uniform_1f (COGLint uniform_no,
gfloat value);
void cogl_program_uniform_1f (COGLint uniform_no,
gfloat value);
/* Offscreen api */
@ -1407,6 +1452,18 @@ CoglHandle cogl_offscreen_new_multisample(void);
*/
CoglHandle cogl_offscreen_ref (CoglHandle handle);
/**
* cogl_is_offscreen:
* @handle: A CoglHandle
*
* Gets whether the given handle references an existing offscreen
* buffer object.
*
* Returns: %TRUE if the handle references an offscreen buffer,
* %FALSE otherwise
*/
gboolean cogl_is_offscreen (CoglHandle handle);
/**
* cogl_offscreen_unref:
* @handle:

1
clutter/cogl/common/Makefile.am
View file

@ -17,6 +17,7 @@ EXTRA_DIST = stb_image.c
libclutter_cogl_common_la_SOURCES = \
cogl-util.h \
cogl-bitmap.h \
cogl-handle.h \
cogl-util.c \
cogl-bitmap.c \
cogl-bitmap-fallback.c \

160
clutter/cogl/common/cogl-handle.h Normal file
View file

@ -0,0 +1,160 @@
/*
* Clutter COGL
*
* A basic GL/GLES Abstraction/Utility Layer
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2008 OpenedHand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __COGL_HANDLE_H
#define __COGL_HANDLE_H
/* Helper macro to encapsulate the common code for COGL reference
counted handles */
#if COGL_DEBUG
#define COGL_HANDLE_DEBUG_NEW(type_name, obj) \
printf ("COGL " G_STRINGIFY (type_name) " NEW %p %i\n", \
(obj), (obj)->ref_count)
#define COGL_HANDLE_DEBUG_REF(type_name, obj) \
printf ("COGL " G_STRINGIFY (type_name) " REF %p %i\n", \
(obj), (obj)->ref_count)
#define COGL_HANDLE_DEBUG_UNREF(type_name, obj) \
printf ("COGL " G_STRINGIFY (type_name) " UNREF %p %i\n", \
(obj), (obj)->ref_count - 1)
#define COGL_HANDLE_DEBUG_FREE(type_name, obj) \
printf ("COGL " G_STRINGIFY (type_name) " FREE %p\n", (obj))
#else /* COGL_DEBUG */
#define COGL_HANDLE_DEBUG_NEW(type_name, obj) (void) 0
#define COGL_HANDLE_DEBUG_REF(type_name, obj) (void) 0
#define COGL_HANDLE_DEBUG_UNREF(type_name, obj) (void) 0
#define COGL_HANDLE_DEBUG_FREE(type_name, obj) (void) 0
#endif /* COGL_DEBUG */
#define COGL_HANDLE_DEFINE(TypeName, type_name, handle_array) \
\
static gint \
_cogl_##type_name##_handle_find (CoglHandle handle) \
{ \
_COGL_GET_CONTEXT (ctx, -1); \
\
gint i; \
\
if (ctx->handle_array == NULL) \
return -1; \
\
for (i=0; i < ctx->handle_array->len; ++i) \
if (g_array_index (ctx->handle_array, \
CoglHandle, i) == handle) \
return i; \
\
return -1; \
} \
\
static CoglHandle \
_cogl_##type_name##_handle_new (Cogl##TypeName *obj) \
{ \
_COGL_GET_CONTEXT (ctx, COGL_INVALID_HANDLE); \
\
CoglHandle handle = (CoglHandle) obj; \
\
if (ctx->handle_array == NULL) \
ctx->handle_array \
= g_array_new (FALSE, FALSE, sizeof (CoglHandle)); \
\
g_array_append_val (ctx->handle_array, handle); \
\
return handle; \
} \
\
static void \
_cogl_##type_name##_handle_release (CoglHandle handle) \
{ \
_COGL_GET_CONTEXT (ctx, NO_RETVAL); \
\
gint i; \
\
if ( (i = _cogl_##type_name##_handle_find (handle)) == -1) \
return; \
\
g_array_remove_index_fast (ctx->handle_array, i); \
} \
\
Cogl##TypeName * \
_cogl_##type_name##_pointer_from_handle (CoglHandle handle) \
{ \
return (Cogl##TypeName *) handle; \
} \
\
gboolean \
cogl_is_##type_name (CoglHandle handle) \
{ \
if (handle == COGL_INVALID_HANDLE) \
return FALSE; \
\
return _cogl_##type_name##_handle_find (handle) >= 0; \
} \
\
CoglHandle \
cogl_##type_name##_ref (CoglHandle handle) \
{ \
Cogl##TypeName *obj; \
\
if (!cogl_is_##type_name (handle)) \
return COGL_INVALID_HANDLE; \
\
obj = _cogl_##type_name##_pointer_from_handle (handle); \
\
obj->ref_count++; \
\
COGL_HANDLE_DEBUG_REF (type_name, obj); \
\
return handle; \
} \
\
void \
cogl_##type_name##_unref (CoglHandle handle) \
{ \
Cogl##TypeName *obj; \
\
if (!cogl_is_##type_name (handle)) \
return; \
\
obj = _cogl_##type_name##_pointer_from_handle (handle); \
\
COGL_HANDLE_DEBUG_UNREF (type_name, obj); \
\
if (--obj->ref_count < 1) \
{ \
COGL_HANDLE_DEBUG_FREE (type_name, obj); \
\
_cogl_##type_name##_handle_release (obj); \
_cogl_##type_name##_free (obj); \
} \
}
#endif /* __COGL_HANDLE_H */

4
clutter/cogl/gl/Makefile.am
View file

@ -25,11 +25,15 @@ libclutter_cogl_la_SOURCES = \
cogl-primitives.h \
cogl-texture.h \
cogl-fbo.h \
cogl-shader.h \
cogl-program.h \
cogl-context.h \
cogl.c \
cogl-primitives.c \
cogl-texture.c \
cogl-fbo.c \
cogl-shader.c \
cogl-program.c \
cogl-context.c
EXTRA_DIST = cogl-defines.h.in

13
clutter/cogl/gl/cogl-context.c
View file

@ -60,6 +60,10 @@ cogl_create_context ()
_context->fbo_handles = NULL;
_context->draw_buffer = COGL_WINDOW_BUFFER;
_context->shader_handles = NULL;
_context->program_handles = NULL;
_context->pf_glGenRenderbuffersEXT = NULL;
_context->pf_glBindRenderbufferEXT = NULL;
@ -99,6 +103,15 @@ cogl_destroy_context ()
{
if (_context == NULL)
return;
if (_context->texture_handles)
g_array_free (_context->texture_handles, TRUE);
if (_context->fbo_handles)
g_array_free (_context->texture_handles, TRUE);
if (_context->shader_handles)
g_array_free (_context->texture_handles, TRUE);
if (_context->program_handles)
g_array_free (_context->program_handles, TRUE);
g_free (_context);
}

6
clutter/cogl/gl/cogl-context.h
View file

@ -53,6 +53,12 @@ typedef struct
/* Framebuffer objects */
GArray *fbo_handles;
CoglBufferTarget draw_buffer;
/* Shaders */
GArray *shader_handles;
/* Programs */
GArray *program_handles;
/* Relying on glext.h to define these */
PFNGLGENRENDERBUFFERSEXTPROC pf_glGenRenderbuffersEXT;

1
clutter/cogl/gl/cogl-defines.h.in
View file

@ -42,7 +42,6 @@ G_BEGIN_DECLS
typedef GLenum COGLenum;
typedef GLint COGLint;
typedef GLuint COGLuint;
typedef GLhandleARB COGLhandle;
/* FIXME + DOCUMENT */

124
clutter/cogl/gl/cogl-fbo.c
View file

@ -33,6 +33,7 @@
#include "cogl-texture.h"
#include "cogl-fbo.h"
#include "cogl-context.h"
#include "cogl-handle.h"
/* Expecting EXT functions not to be defined - redirect to pointers in context */
#define glGenRenderbuffersEXT ctx->pf_glGenRenderbuffersEXT
@ -47,65 +48,9 @@
#define glBlitFramebufferEXT ctx->pf_glBlitFramebufferEXT
#define glRenderbufferStorageMultisampleEXT ctx->pf_glRenderbufferStorageMultisampleEXT
static gint
_cogl_fbo_handle_find (CoglHandle handle)
{
_COGL_GET_CONTEXT (ctx, -1);
gint i;
if (ctx->fbo_handles == NULL)
return -1;
for (i=0; i < ctx->fbo_handles->len; ++i)
if (g_array_index (ctx->fbo_handles, CoglHandle, i) == handle)
return i;
return -1;
}
static void _cogl_offscreen_free (CoglFbo *fbo);
static CoglHandle
_cogl_fbo_handle_new (CoglFbo *fbo)
{
_COGL_GET_CONTEXT (ctx, COGL_INVALID_HANDLE);
CoglHandle handle = (CoglHandle)fbo;
if (ctx->fbo_handles == NULL)
ctx->fbo_handles = g_array_new (FALSE, FALSE, sizeof (CoglHandle));
g_array_append_val (ctx->fbo_handles, handle);
return handle;
}
static void
_cogl_fbo_handle_release (CoglHandle handle)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
gint i;
if ( (i = _cogl_fbo_handle_find (handle)) == -1)
return;
g_array_remove_index_fast (ctx->fbo_handles, i);
}
static CoglFbo*
_cogl_fbo_pointer_from_handle (CoglHandle handle)
{
return (CoglFbo*) handle;
}
gboolean
cogl_is_offscreen_buffer (CoglHandle handle)
{
if (handle == COGL_INVALID_HANDLE)
return FALSE;
return _cogl_fbo_handle_find (handle) >= 0;
}
COGL_HANDLE_DEFINE (Fbo, offscreen, fbo_handles);
CoglHandle
cogl_offscreen_new_to_texture (CoglHandle texhandle)
@ -166,8 +111,10 @@ cogl_offscreen_new_to_texture (CoglHandle texhandle)
fbo->width = x_span->size - x_span->waste;
fbo->height = y_span->size - y_span->waste;
fbo->gl_handle = fbo_gl_handle;
COGL_HANDLE_DEBUG_NEW (offscreen, fbo);
return _cogl_fbo_handle_new (fbo);
return _cogl_offscreen_handle_new (fbo);
}
CoglHandle
@ -179,43 +126,16 @@ cogl_offscreen_new_multisample ()
return COGL_INVALID_HANDLE;
}
CoglHandle
cogl_offscreen_ref (CoglHandle handle)
{
CoglFbo *fbo;
if (!cogl_is_offscreen_buffer (handle))
return COGL_INVALID_HANDLE;
fbo = _cogl_fbo_pointer_from_handle (handle);
fbo->ref_count++;
return handle;
}
void
cogl_offscreen_unref (CoglHandle handle)
static void
_cogl_offscreen_free (CoglFbo *fbo)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
CoglFbo *fbo;
/* Make sure this is a valid fbo handle */
if (!cogl_is_offscreen_buffer (handle))
return;
fbo = _cogl_fbo_pointer_from_handle (handle);
if (--fbo->ref_count < 1)
{
/* Release handle and destroy object */
GE( glDeleteFramebuffersEXT (1, &fbo->gl_handle) );
/* Frees FBO resources but its handle is not
released! Do that separately before this! */
_cogl_fbo_handle_release (handle);
g_free (fbo);
}
GE( glDeleteFramebuffersEXT (1, &fbo->gl_handle) );
g_free (fbo);
}
void
@ -239,14 +159,14 @@ cogl_offscreen_blit_region (CoglHandle src_buffer,
CoglFbo *dst_fbo;
/* Make sure these are valid fbo handles */
if (!cogl_is_offscreen_buffer (src_buffer))
if (!cogl_is_offscreen (src_buffer))
return;
if (!cogl_is_offscreen_buffer (dst_buffer))
if (!cogl_is_offscreen (dst_buffer))
return;
src_fbo = _cogl_fbo_pointer_from_handle (src_buffer);
dst_fbo = _cogl_fbo_pointer_from_handle (dst_buffer);
src_fbo = _cogl_offscreen_pointer_from_handle (src_buffer);
dst_fbo = _cogl_offscreen_pointer_from_handle (dst_buffer);
/* Copy (and scale) a region from one to another framebuffer */
GE( glBindFramebufferEXT (GL_READ_FRAMEBUFFER_EXT, src_fbo->gl_handle) );
@ -269,14 +189,14 @@ cogl_offscreen_blit (CoglHandle src_buffer,
CoglFbo *dst_fbo;
/* Make sure these are valid fbo handles */
if (!cogl_is_offscreen_buffer (src_buffer))
if (!cogl_is_offscreen (src_buffer))
return;
if (!cogl_is_offscreen_buffer (dst_buffer))
if (!cogl_is_offscreen (dst_buffer))
return;
src_fbo = _cogl_fbo_pointer_from_handle (src_buffer);
dst_fbo = _cogl_fbo_pointer_from_handle (dst_buffer);
src_fbo = _cogl_offscreen_pointer_from_handle (src_buffer);
dst_fbo = _cogl_offscreen_pointer_from_handle (dst_buffer);
/* Copy (and scale) whole image from one to another framebuffer */
GE( glBindFramebufferEXT (GL_READ_FRAMEBUFFER_EXT, src_fbo->gl_handle) );
@ -296,10 +216,10 @@ cogl_draw_buffer (CoglBufferTarget target, CoglHandle offscreen)
if (target == COGL_OFFSCREEN_BUFFER)
{
/* Make sure it is a valid fbo handle */
if (!cogl_is_offscreen_buffer (offscreen))
if (!cogl_is_offscreen (offscreen))
return;
fbo = _cogl_fbo_pointer_from_handle (offscreen);
fbo = _cogl_offscreen_pointer_from_handle (offscreen);
/* Check current draw buffer target */
if (ctx->draw_buffer != COGL_OFFSCREEN_BUFFER)

150
clutter/cogl/gl/cogl-program.c Normal file
View file

@ -0,0 +1,150 @@
/*
* Clutter COGL
*
* A basic GL/GLES Abstraction/Utility Layer
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2008 OpenedHand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "cogl.h"
#include "cogl-program.h"
#include "cogl-shader.h"
#include "cogl-internal.h"
#include "cogl-handle.h"
#include "cogl-context.h"
#include <glib.h>
/* Expecting ARB functions not to be defined */
#define glCreateProgramObjectARB ctx->pf_glCreateProgramObjectARB
#define glAttachObjectARB ctx->pf_glAttachObjectARB
#define glUseProgramObjectARB ctx->pf_glUseProgramObjectARB
#define glLinkProgramARB ctx->pf_glLinkProgramARB
#define glGetUniformLocationARB ctx->pf_glGetUniformLocationARB
#define glUniform1fARB ctx->pf_glUniform1fARB
#define glDeleteObjectARB ctx->pf_glDeleteObjectARB
static void _cogl_program_free (CoglProgram *program);
COGL_HANDLE_DEFINE (Program, program, program_handles);
static void
_cogl_program_free (CoglProgram *program)
{
/* Frees program resources but its handle is not
released! Do that separately before this! */
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glDeleteObjectARB (program->gl_handle);
}
CoglHandle
cogl_create_program (void)
{
CoglProgram *program;
_COGL_GET_CONTEXT (ctx, 0);
program = g_slice_new (CoglProgram);
program->ref_count = 1;
program->gl_handle = glCreateProgramObjectARB ();
COGL_HANDLE_DEBUG_NEW (program, program);
return _cogl_program_handle_new (program);
}
void
cogl_program_attach_shader (CoglHandle program_handle,
CoglHandle shader_handle)
{
CoglProgram *program;
CoglShader *shader;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
if (!cogl_is_program (program_handle) || !cogl_is_shader (shader_handle))
return;
program = _cogl_program_pointer_from_handle (program_handle);
shader = _cogl_shader_pointer_from_handle (shader_handle);
glAttachObjectARB (program->gl_handle, shader->gl_handle);
}
void
cogl_program_link (CoglHandle handle)
{
CoglProgram *program;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
if (!cogl_is_program (handle))
return;
program = _cogl_program_pointer_from_handle (handle);
glLinkProgramARB (program->gl_handle);
}
void
cogl_program_use (CoglHandle handle)
{
CoglProgram *program;
GLhandleARB gl_handle;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
if (handle != COGL_INVALID_HANDLE && !cogl_is_program (handle))
return;
if (handle == COGL_INVALID_HANDLE)
gl_handle = 0;
else
{
program = _cogl_program_pointer_from_handle (handle);
gl_handle = program->gl_handle;
}
glUseProgramObjectARB (gl_handle);
}
COGLint
cogl_program_get_uniform_location (CoglHandle handle,
const gchar *uniform_name)
{
CoglProgram *program;
_COGL_GET_CONTEXT (ctx, 0);
if (!cogl_is_program (handle))
return 0;
program = _cogl_program_pointer_from_handle (handle);
return glGetUniformLocationARB (program->gl_handle, uniform_name);
}
void
cogl_program_uniform_1f (COGLint uniform_no,
gfloat value)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glUniform1fARB (uniform_no, value);
}

39
clutter/cogl/gl/cogl-program.h Normal file
View file

@ -0,0 +1,39 @@
/*
* Clutter COGL
*
* A basic GL/GLES Abstraction/Utility Layer
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2008 OpenedHand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __COGL_PROGRAM_H
#define __COGL_PROGRAM_H
typedef struct _CoglProgram CoglProgram;
struct _CoglProgram
{
guint ref_count;
GLhandleARB gl_handle;
};
CoglProgram *_cogl_program_pointer_from_handle (CoglHandle handle);
#endif /* __COGL_PROGRAM_H */

136
clutter/cogl/gl/cogl-shader.c Normal file
View file

@ -0,0 +1,136 @@
/*
* Clutter COGL
*
* A basic GL/GLES Abstraction/Utility Layer
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2008 OpenedHand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "cogl.h"
#include "cogl-shader.h"
#include "cogl-internal.h"
#include "cogl-context.h"
#include "cogl-handle.h"
#include <glib.h>
/* Expecting ARB functions not to be defined */
#define glCreateShaderObjectARB ctx->pf_glCreateShaderObjectARB
#define glGetObjectParameterivARB ctx->pf_glGetObjectParameterivARB
#define glGetInfoLogARB ctx->pf_glGetInfoLogARB
#define glCompileShaderARB ctx->pf_glCompileShaderARB
#define glShaderSourceARB ctx->pf_glShaderSourceARB
#define glDeleteObjectARB ctx->pf_glDeleteObjectARB
static void _cogl_shader_free (CoglShader *shader);
COGL_HANDLE_DEFINE (Shader, shader, shader_handles);
static void
_cogl_shader_free (CoglShader *shader)
{
/* Frees shader resources but its handle is not
released! Do that separately before this! */
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glDeleteObjectARB (shader->gl_handle);
}
CoglHandle
cogl_create_shader (COGLenum shaderType)
{
CoglShader *shader;
_COGL_GET_CONTEXT (ctx, 0);
shader = g_slice_new (CoglShader);
shader->ref_count = 1;
shader->gl_handle = glCreateShaderObjectARB (shaderType);
COGL_HANDLE_DEBUG_NEW (shader, shader);
return _cogl_shader_handle_new (shader);
}
void
cogl_shader_source (CoglHandle handle,
const gchar *source)
{
CoglShader *shader;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
if (!cogl_is_shader (handle))
return;
shader = _cogl_shader_pointer_from_handle (handle);
glShaderSourceARB (shader->gl_handle, 1, &source, NULL);
}
void
cogl_shader_compile (CoglHandle handle)
{
CoglShader *shader;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
if (!cogl_is_shader (handle))
return;
shader = _cogl_shader_pointer_from_handle (handle);
glCompileShaderARB (shader->gl_handle);
}
void
cogl_shader_get_info_log (CoglHandle handle,
guint size,
gchar *buffer)
{
CoglShader *shader;
COGLint len;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
if (!cogl_is_shader (handle))
return;
shader = _cogl_shader_pointer_from_handle (handle);
glGetInfoLogARB (shader->gl_handle, size-1, &len, buffer);
buffer[len]='\0';
}
void
cogl_shader_get_parameteriv (CoglHandle handle,
COGLenum pname,
COGLint *dest)
{
CoglShader *shader;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
if (!cogl_is_shader (handle))
return;
shader = _cogl_shader_pointer_from_handle (handle);
glGetObjectParameterivARB (shader->gl_handle, pname, dest);
}

39
clutter/cogl/gl/cogl-shader.h Normal file
View file

@ -0,0 +1,39 @@
/*
* Clutter COGL
*
* A basic GL/GLES Abstraction/Utility Layer
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2008 OpenedHand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __COGL_SHADER_H
#define __COGL_SHADER_H
typedef struct _CoglShader CoglShader;
struct _CoglShader
{
guint ref_count;
GLhandleARB gl_handle;
};
CoglShader *_cogl_shader_pointer_from_handle (CoglHandle handle);
#endif /* __COGL_SHADER_H */

153
clutter/cogl/gl/cogl-texture.c
View file

@ -33,6 +33,7 @@
#include "cogl-bitmap.h"
#include "cogl-texture.h"
#include "cogl-context.h"
#include "cogl-handle.h"
#include <string.h>
#include <stdlib.h>
@ -48,6 +49,10 @@
printf("err: 0x%x\n", err); \
} */
static void _cogl_texture_free (CoglTexture *tex);
COGL_HANDLE_DEFINE (Texture, texture, texture_handles);
struct _CoglSpanIter
{
gint index;
@ -65,93 +70,6 @@ struct _CoglSpanIter
gboolean intersects;
};
/*
* _cogl_texture_handle_find:
* @handle: A texture handle
*
* Returns the index of the given CoglHandle if found in the
* handle array.
*/
static gint
_cogl_texture_handle_find (CoglHandle handle)
{
_COGL_GET_CONTEXT (ctx, -1);
gint i;
if (ctx->texture_handles == NULL)
return -1;
for (i=0; i < ctx->texture_handles->len; ++i)
if (g_array_index (ctx->texture_handles, CoglHandle, i) == handle)
return i;
return -1;
}
/*
* _cogl_texture_handle_new:
* @tex: A pointer to an allocated CoglTexture structure
*
* Returns a new CoglHandle for the given CoglTexture
* object.
*/
static CoglHandle
_cogl_texture_handle_new (CoglTexture *tex)
{
_COGL_GET_CONTEXT (ctx, COGL_INVALID_HANDLE);
CoglHandle handle = (CoglHandle)tex;
if (ctx->texture_handles == NULL)
ctx->texture_handles = g_array_new (FALSE, FALSE, sizeof (CoglHandle));
g_array_append_val (ctx->texture_handles, handle);
return handle;
}
/*
* _cogl_texture_handle_release:
* @handle: A valid CoglHandle
*
* Frees the given CoglHandle for use with another object.
*/
static void
_cogl_texture_handle_release (CoglHandle handle)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
gint i;
if ( (i = _cogl_texture_handle_find (handle)) == -1)
return;
g_array_remove_index_fast (ctx->texture_handles, i);
}
/*
* _cogl_texture_pointer_from_handle:
* @handle: A valid CoglHandle
*
* Returns a pointer to the texture object referenced by
* given handle.
*/
CoglTexture *
_cogl_texture_pointer_from_handle (CoglHandle handle)
{
return (CoglTexture*) handle;
}
gboolean
cogl_is_texture (CoglHandle handle)
{
if (handle == COGL_INVALID_HANDLE)
return FALSE;
return _cogl_texture_handle_find (handle) >= 0;
}
static void
_cogl_texture_bitmap_free (CoglTexture *tex)
{
@ -1089,9 +1007,7 @@ cogl_texture_new_with_size (guint width,
tex = (CoglTexture*) g_malloc (sizeof (CoglTexture));
tex->ref_count = 1;
#if COGL_DEBUG
printf ("COGL TEX new %p %i\n", tex, tex->ref_count);
#endif
COGL_HANDLE_DEBUG_NEW (texture, tex);
tex->is_foreign = FALSE;
@ -1153,9 +1069,7 @@ cogl_texture_new_from_data (guint width,
tex = (CoglTexture*) g_malloc (sizeof (CoglTexture));
tex->ref_count = 1;
#if COGL_DEBUG
printf ("COGL TEX new %p %i\n", tex, tex->ref_count);
#endif
COGL_HANDLE_DEBUG_NEW (texture, tex);
tex->is_foreign = FALSE;
@ -1230,9 +1144,7 @@ cogl_texture_new_from_file (const gchar *filename,
tex = (CoglTexture*) g_malloc ( sizeof (CoglTexture));
tex->ref_count = 1;
#if COGL_DEBUG
printf ("COGL TEX new %p %i\n", tex, tex->ref_count);
#endif
COGL_HANDLE_DEBUG_NEW (texture, tex);
tex->is_foreign = FALSE;
@ -1377,9 +1289,7 @@ cogl_texture_new_from_foreign (GLuint gl_handle,
tex = (CoglTexture*) g_malloc ( sizeof (CoglTexture));
tex->ref_count = 1;
#if COGL_DEBUG
printf ("COGL TEX new %p %i\n", tex, tex->ref_count);
#endif
COGL_HANDLE_DEBUG_NEW (texture, tex);
/* Setup bitmap info */
tex->is_foreign = TRUE;
@ -1460,51 +1370,6 @@ cogl_texture_new_from_foreign (GLuint gl_handle,
return _cogl_texture_handle_new (tex);
}
CoglHandle
cogl_texture_ref (CoglHandle handle)
{
CoglTexture *tex;
if (!cogl_is_texture (handle))
return COGL_INVALID_HANDLE;
tex = _cogl_texture_pointer_from_handle (handle);
tex->ref_count++;
#if COGL_DEBUG
printf ("COGL TEX ref %p %i\n", tex, tex->ref_count);
#endif
return handle;
}
void
cogl_texture_unref (CoglHandle handle)
{
/* Check if valid texture handle */
CoglTexture *tex;
if (!cogl_is_texture (handle))
return;
tex = _cogl_texture_pointer_from_handle (handle);
#if COGL_DEBUG
printf ("COGL TEX unref %p %i\n", tex, tex->ref_count - 1);
#endif
if (--tex->ref_count < 1)
{
#if COGL_DEBUG
printf ("COGL TEX free %p %i\n", tex, tex->ref_count - 1);
#endif
/* Free texture handle and resources */
_cogl_texture_handle_release (tex);
_cogl_texture_free (tex);
}
}
guint
cogl_texture_get_width (CoglHandle handle)
{

119
clutter/cogl/gl/cogl.c
View file

@ -78,22 +78,6 @@ error_string(GLenum errorCode)
}
#endif
/* Expecting ARB functions not to be defined */
#define glCreateProgramObjectARB ctx->pf_glCreateProgramObjectARB
#define glCreateShaderObjectARB ctx->pf_glCreateShaderObjectARB
#define glShaderSourceARB ctx->pf_glShaderSourceARB
#define glCompileShaderARB ctx->pf_glCompileShaderARB
#define glAttachObjectARB ctx->pf_glAttachObjectARB
#define glLinkProgramARB ctx->pf_glLinkProgramARB
#define glUseProgramObjectARB ctx->pf_glUseProgramObjectARB
#define glGetUniformLocationARB ctx->pf_glGetUniformLocationARB
#define glDeleteObjectARB ctx->pf_glDeleteObjectARB
#define glGetInfoLogARB ctx->pf_glGetInfoLogARB
#define glGetObjectParameterivARB ctx->pf_glGetObjectParameterivARB
#define glUniform1fARB ctx->pf_glUniform1fARB
CoglFuncPtr
cogl_get_proc_address (const gchar* name)
{
@ -937,106 +921,3 @@ cogl_fog_set (const ClutterColor *fog_color,
glFogf (GL_FOG_START, CLUTTER_FIXED_TO_FLOAT (start));
glFogf (GL_FOG_END, CLUTTER_FIXED_TO_FLOAT (stop));
}
/* Shader Magic follows */
COGLhandle
cogl_create_program (void)
{
_COGL_GET_CONTEXT (ctx, 0);
return glCreateProgramObjectARB ();
}
COGLhandle
cogl_create_shader (COGLenum shaderType)
{
_COGL_GET_CONTEXT (ctx, 0);
return glCreateShaderObjectARB (shaderType);
}
void
cogl_shader_source (COGLhandle shader,
const gchar *source)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glShaderSourceARB (shader, 1, &source, NULL);
}
void
cogl_shader_compile (COGLhandle shader_handle)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glCompileShaderARB (shader_handle);
}
void
cogl_program_attach_shader (COGLhandle program_handle,
COGLhandle shader_handle)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glAttachObjectARB (program_handle, shader_handle);
}
void
cogl_program_link (COGLhandle program_handle)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glLinkProgramARB (program_handle);
}
void
cogl_program_use (COGLhandle program_handle)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glUseProgramObjectARB (program_handle);
}
COGLint
cogl_program_get_uniform_location (COGLhandle program_handle,
const gchar *uniform_name)
{
_COGL_GET_CONTEXT (ctx, 0);
return glGetUniformLocationARB (program_handle, uniform_name);
}
void
cogl_program_destroy (COGLhandle handle)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glDeleteObjectARB (handle);
}
void
cogl_shader_destroy (COGLhandle handle)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glDeleteObjectARB (handle);
}
void
cogl_shader_get_info_log (COGLhandle handle,
guint size,
gchar *buffer)
{
COGLint len;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glGetInfoLogARB (handle, size-1, &len, buffer);
buffer[len]='\0';
}
void
cogl_shader_get_parameteriv (COGLhandle handle,
COGLenum pname,
COGLint *dest)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glGetObjectParameterivARB (handle, pname, dest);
}
void
cogl_program_uniform_1f (COGLint uniform_no,
gfloat value)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
glUniform1fARB (uniform_no, value);
}

1
clutter/cogl/gles/cogl-defines.h.in
View file

@ -440,7 +440,6 @@ G_BEGIN_DECLS
typedef GLenum COGLenum;
typedef GLint COGLint;
typedef GLuint COGLuint;
typedef GLuint COGLhandle;
/* extras */

129
clutter/cogl/gles/cogl-texture.c
View file

@ -33,6 +33,7 @@
#include "cogl-bitmap.h"
#include "cogl-texture.h"
#include "cogl-context.h"
#include "cogl-handle.h"
#include <string.h>
#include <stdlib.h>
@ -64,83 +65,9 @@ struct _CoglSpanIter
gboolean intersects;
};
/*
* _cogl_texture_handle_find:
* @handle: A texture handle
*
* Returns the index of the given CoglHandle if found in the
* handle array.
*/
static gint
_cogl_texture_handle_find (CoglHandle handle)
{
_COGL_GET_CONTEXT (ctx, -1);
gint i;
if (ctx->texture_handles == NULL)
return -1;
for (i=0; i < ctx->texture_handles->len; ++i)
if (g_array_index (ctx->texture_handles, CoglHandle, i) == handle)
return i;
return -1;
}
static void _cogl_texture_free (CoglTexture *tex);
/*
* _cogl_texture_handle_new:
* @tex: A pointer to an allocated CoglTexture structure
*
* Returns a new CoglHandle for the given CoglTexture
* object.
*/
static CoglHandle
_cogl_texture_handle_new (CoglTexture *tex)
{
_COGL_GET_CONTEXT (ctx, COGL_INVALID_HANDLE);
CoglHandle handle = (CoglHandle)tex;
if (ctx->texture_handles == NULL)
ctx->texture_handles = g_array_new (FALSE, FALSE, sizeof (CoglHandle));
g_array_append_val (ctx->texture_handles, handle);
return handle;
}
/*
* _cogl_texture_handle_release:
* @handle: A valid CoglHandle
*
* Frees the given CoglHandle for use with another object.
*/
static void
_cogl_texture_handle_release (CoglHandle handle)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
gint i;
if ( (i = _cogl_texture_handle_find (handle)) == -1)
return;
g_array_remove_index_fast (ctx->texture_handles, i);
}
/*
* _cogl_texture_pointer_from_handle:
* @handle: A valid CoglHandle
*
* Returns a pointer to the texture object referenced by
* given handle.
*/
CoglTexture *
_cogl_texture_pointer_from_handle (CoglHandle handle)
{
return (CoglTexture*) handle;
}
COGL_HANDLE_DEFINE (Texture, texture, texture_handles);
CoglHandle
_cogl_texture_handle_from_pointer (CoglTexture *tex)
@ -148,15 +75,6 @@ _cogl_texture_handle_from_pointer (CoglTexture *tex)
return (CoglHandle) tex;
}
gboolean
cogl_is_texture (CoglHandle handle)
{
if (handle == COGL_INVALID_HANDLE)
return FALSE;
return _cogl_texture_handle_find (handle) >= 0;
}
static void
_cogl_texture_bitmap_free (CoglTexture *tex)
{
@ -1038,6 +956,7 @@ cogl_texture_new_with_size (guint width,
tex = (CoglTexture*) g_malloc (sizeof (CoglTexture));
tex->ref_count = 1;
COGL_HANDLE_DEBUG_NEW (texture, tex);
tex->is_foreign = FALSE;
@ -1098,6 +1017,7 @@ cogl_texture_new_from_data (guint width,
tex = (CoglTexture*) g_malloc (sizeof (CoglTexture));
tex->ref_count = 1;
COGL_HANDLE_DEBUG_NEW (texture, tex);
tex->is_foreign = FALSE;
@ -1172,6 +1092,7 @@ cogl_texture_new_from_file (const gchar *filename,
tex = (CoglTexture*) g_malloc ( sizeof (CoglTexture));
tex->ref_count = 1;
COGL_HANDLE_DEBUG_NEW (texture, tex);
tex->is_foreign = FALSE;
@ -1283,9 +1204,7 @@ cogl_texture_new_from_foreign (GLuint gl_handle,
tex = (CoglTexture*) g_malloc ( sizeof (CoglTexture));
tex->ref_count = 1;
#if COGL_DEBUG
printf ("COGL TEX new %p %i\n", tex, tex->ref_count);
#endif
COGL_HANDLE_DEBUG_NEW (texture, tex);
/* Setup bitmap info */
tex->is_foreign = TRUE;
@ -1354,40 +1273,6 @@ cogl_texture_new_from_foreign (GLuint gl_handle,
return _cogl_texture_handle_new (tex);
}
CoglHandle
cogl_texture_ref (CoglHandle handle)
{
CoglTexture *tex;
if (!cogl_is_texture (handle))
return COGL_INVALID_HANDLE;
tex = _cogl_texture_pointer_from_handle (handle);
tex->ref_count++;
return handle;
}
void
cogl_texture_unref (CoglHandle handle)
{
/* Check if valid texture handle */
CoglTexture *tex;
if (!cogl_is_texture (handle))
return;
tex = _cogl_texture_pointer_from_handle (handle);
if (--tex->ref_count < 1)
{
/* Free texture handle and resources */
_cogl_texture_handle_release (tex);
_cogl_texture_free (tex);
}
}
void
cogl_texture_get_properties (CoglHandle handle,
guint *out_width,

72
clutter/cogl/gles/cogl.c
View file

@ -562,71 +562,95 @@ cogl_fog_set (const ClutterColor *fog_color,
/* Shaders, no support on regular OpenGL 1.1 */
COGLhandle
CoglHandle
cogl_create_program (void)
{
return 0;
return COGL_INVALID_HANDLE;
}
COGLhandle
cogl_create_shader (COGLenum shaderType)
gboolean
cogl_is_program (CoglHandle handle)
{
return 0;
return FALSE;
}
CoglHandle
cogl_program_ref (CoglHandle handle)
{
return COGL_INVALID_HANDLE;
}
void
cogl_shader_source (COGLhandle shader,
cogl_program_unref (CoglHandle handle)
{
}
CoglHandle
cogl_create_shader (COGLenum shaderType)
{
return COGL_INVALID_HANDLE;
}
gboolean
cogl_is_shader (CoglHandle handle)
{
return FALSE;
}
CoglHandle
cogl_shader_ref (CoglHandle handle)
{
return COGL_INVALID_HANDLE;
}
void
cogl_shader_unref (CoglHandle handle)
{
}
void
cogl_shader_source (CoglHandle shader,
const gchar *source)
{
}
void
cogl_shader_compile (COGLhandle shader_handle)
cogl_shader_compile (CoglHandle shader_handle)
{
}
void
cogl_program_attach_shader (COGLhandle program_handle,
COGLhandle shader_handle)
cogl_program_attach_shader (CoglHandle program_handle,
CoglHandle shader_handle)
{
}
void
cogl_program_link (COGLhandle program_handle)
cogl_program_link (CoglHandle program_handle)
{
}
void
cogl_program_use (COGLhandle program_handle)
cogl_program_use (CoglHandle program_handle)
{
}
COGLint
cogl_program_get_uniform_location (COGLhandle program_handle,
cogl_program_get_uniform_location (CoglHandle program_handle,
const gchar *uniform_name)
{
return 0;
}
void
cogl_program_destroy (COGLhandle handle)
{
}
void
cogl_shader_destroy (COGLhandle handle)
{
}
void
cogl_shader_get_info_log (COGLhandle handle,
cogl_shader_get_info_log (CoglHandle handle,
guint size,
gchar *buffer)
{
}
void
cogl_shader_get_parameteriv (COGLhandle handle,
cogl_shader_get_parameteriv (CoglHandle handle,
COGLenum pname,
COGLint *dest)
{

6
doc/reference/ChangeLog
View file

@ -1,3 +1,9 @@
2008-04-29 Neil Roberts <neil@o-hand.com>
* cogl/cogl-sections.txt: Added cogl_shader_ref,
cogl_shader_unref, cogl_is_shader, cogl_program_ref,
cogl_program_unref, cogl_is_program and cogl_is_offscreen.
2008-04-29 Øyvind Kolås <pippin@o-hand.com>
* cogl/cogl-sections.txt: updated after cogl primitives api rename

9
doc/reference/cogl/cogl-sections.txt
View file

@ -109,14 +109,18 @@ cogl_texture_polygon
<FILE>cogl-shaders</FILE>
<TITLE>Shaders and Programmable Pipeline</TITLE>
cogl_create_shader
cogl_shader_destroy
cogl_shader_ref
cogl_shader_unref
cogl_is_shader
cogl_shader_source
cogl_shader_compile
cogl_shader_get_info_log
cogl_shader_get_parameteriv
<SUBSECTION>
cogl_create_program
cogl_program_destroy
cogl_program_ref
cogl_program_unref
cogl_is_program
cogl_program_attach_shader
cogl_program_link
cogl_program_use
@ -131,6 +135,7 @@ cogl_offscreen_new_to_texture
cogl_offscreen_new_multisample
cogl_offscreen_ref
cogl_offscreen_unref
cogl_is_offscreen
cogl_offscreen_blit
cogl_offscreen_blit_region
cogl_draw_buffer