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authorHaitao Feng <haitao.feng@intel.com>2011-01-30 16:03:35 +0800
committerKristian Høgsberg <krh@bitplanet.net>2011-02-03 11:59:30 -0500
commitb43a147128a1144a5fe4afcda412ccaba0c0793b (patch)
treeba28e121733aa65949d3fa605813e89f015f9ee6
parent610c24b19d21f3d147fde4d96a3afaa107670f1e (diff)
swrast: add an interface createNewContextForAPI
This new interface could set up context for OpenGL, OpenGL ES1 and OpenGL ES2. It will be used by egl_dri2 driver. Signed-off-by: Haitao Feng <haitao.feng@intel.com>
-rw-r--r--include/GL/internal/dri_interface.h9
-rw-r--r--src/mesa/drivers/dri/common/drisw_util.c45
-rw-r--r--src/mesa/drivers/dri/swrast/swrast.c85
3 files changed, 128 insertions, 11 deletions
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index 42d6968ce2..0351526773 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -657,7 +657,7 @@ struct __DRIlegacyExtensionRec {
* conjunction with the core extension.
*/
#define __DRI_SWRAST "DRI_SWRast"
-#define __DRI_SWRAST_VERSION 1
+#define __DRI_SWRAST_VERSION 2
struct __DRIswrastExtensionRec {
__DRIextension base;
@@ -670,6 +670,13 @@ struct __DRIswrastExtensionRec {
__DRIdrawable *(*createNewDrawable)(__DRIscreen *screen,
const __DRIconfig *config,
void *loaderPrivate);
+
+ /* Since version 2 */
+ __DRIcontext *(*createNewContextForAPI)(__DRIscreen *screen,
+ int api,
+ const __DRIconfig *config,
+ __DRIcontext *shared,
+ void *data);
};
/**
diff --git a/src/mesa/drivers/dri/common/drisw_util.c b/src/mesa/drivers/dri/common/drisw_util.c
index 1529c23b16..1bdb6d8939 100644
--- a/src/mesa/drivers/dri/common/drisw_util.c
+++ b/src/mesa/drivers/dri/common/drisw_util.c
@@ -121,6 +121,48 @@ driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
return pcp;
}
+static __DRIcontext *
+driCreateNewContextForAPI(__DRIscreen *psp, int api,
+ const __DRIconfig *config,
+ __DRIcontext *shared, void *data)
+{
+ __DRIcontext *pcp;
+ void * const shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
+ gl_api mesa_api;
+
+ switch (api) {
+ case __DRI_API_OPENGL:
+ mesa_api = API_OPENGL;
+ break;
+ case __DRI_API_GLES:
+ mesa_api = API_OPENGLES;
+ break;
+ case __DRI_API_GLES2:
+ mesa_api = API_OPENGLES2;
+ break;
+ default:
+ return NULL;
+ }
+
+ pcp = CALLOC_STRUCT(__DRIcontextRec);
+ if (!pcp)
+ return NULL;
+
+ pcp->loaderPrivate = data;
+
+ pcp->driScreenPriv = psp;
+ pcp->driDrawablePriv = NULL;
+ pcp->driReadablePriv = NULL;
+
+ if (!driDriverAPI.CreateContext(mesa_api,
+ &config->modes, pcp, shareCtx)) {
+ FREE(pcp);
+ return NULL;
+ }
+
+ return pcp;
+}
+
static void
driDestroyContext(__DRIcontext *pcp)
{
@@ -269,5 +311,6 @@ const __DRIcoreExtension driCoreExtension = {
const __DRIswrastExtension driSWRastExtension = {
{ __DRI_SWRAST, __DRI_SWRAST_VERSION },
driCreateNewScreen,
- driCreateNewDrawable
+ driCreateNewDrawable,
+ driCreateNewContextForAPI
};
diff --git a/src/mesa/drivers/dri/swrast/swrast.c b/src/mesa/drivers/dri/swrast/swrast.c
index c7940e9c0d..144b187c15 100644
--- a/src/mesa/drivers/dri/swrast/swrast.c
+++ b/src/mesa/drivers/dri/swrast/swrast.c
@@ -561,6 +561,60 @@ swrast_init_driver_functions(struct dd_function_table *driver)
driver->ChooseTextureFormat = swrastChooseTextureFormat;
}
+static const char *es2_extensions[] = {
+ /* Used by mesa internally (cf all_mesa_extensions in ../common/utils.c) */
+ "GL_ARB_draw_buffers",
+ "GL_ARB_multisample",
+ "GL_ARB_texture_compression",
+ "GL_ARB_transpose_matrix",
+ "GL_ARB_vertex_buffer_object",
+ "GL_ARB_window_pos",
+ "GL_EXT_blend_func_separate",
+ "GL_EXT_compiled_vertex_array",
+ "GL_EXT_framebuffer_blit",
+ "GL_EXT_multi_draw_arrays",
+ "GL_EXT_polygon_offset",
+ "GL_EXT_texture_object",
+ "GL_EXT_vertex_array",
+ "GL_IBM_multimode_draw_arrays",
+ "GL_MESA_window_pos",
+ "GL_NV_vertex_program",
+
+ /* Required by GLES2 */
+ "GL_ARB_fragment_program",
+ "GL_ARB_fragment_shader",
+ "GL_ARB_multitexture",
+ "GL_ARB_shader_objects",
+ "GL_ARB_texture_cube_map",
+ "GL_ARB_texture_mirrored_repeat",
+ "GL_ARB_texture_non_power_of_two",
+ "GL_ARB_vertex_shader",
+ "GL_EXT_blend_color",
+ "GL_EXT_blend_equation_separate",
+ "GL_EXT_blend_minmax",
+ "GL_EXT_blend_subtract",
+ "GL_EXT_stencil_wrap",
+
+ /* Optional GLES2 */
+ "GL_ARB_framebuffer_object",
+ "GL_EXT_texture_filter_anisotropic",
+ "GL_ARB_depth_texture",
+ "GL_EXT_packed_depth_stencil",
+ "GL_EXT_framebuffer_object",
+ NULL,
+};
+
+static void
+InitExtensionsES2(struct gl_context *ctx)
+{
+ int i;
+
+ /* Can't use driInitExtensions() since it uses extensions from
+ * main/remap_helper.h when called the first time. */
+
+ for (i = 0; es2_extensions[i]; i++)
+ _mesa_enable_extension(ctx, es2_extensions[i]);
+}
/**
* Context-related functions.
@@ -597,7 +651,7 @@ dri_create_context(gl_api api,
mesaCtx = &ctx->Base;
/* basic context setup */
- if (!_mesa_initialize_context(mesaCtx, visual, sharedCtx, &functions, (void *) cPriv)) {
+ if (!_mesa_initialize_context_for_api(mesaCtx, api, visual, sharedCtx, &functions, (void *) cPriv)) {
goto context_fail;
}
@@ -617,16 +671,29 @@ dri_create_context(gl_api api,
tnl->Driver.RunPipeline = _tnl_run_pipeline;
}
- _mesa_enable_sw_extensions(mesaCtx);
- _mesa_enable_1_3_extensions(mesaCtx);
- _mesa_enable_1_4_extensions(mesaCtx);
- _mesa_enable_1_5_extensions(mesaCtx);
- _mesa_enable_2_0_extensions(mesaCtx);
- _mesa_enable_2_1_extensions(mesaCtx);
-
_mesa_meta_init(mesaCtx);
+ _mesa_enable_sw_extensions(mesaCtx);
- driInitExtensions( mesaCtx, NULL, GL_FALSE );
+ switch (api) {
+ case API_OPENGL:
+ _mesa_enable_1_3_extensions(mesaCtx);
+ _mesa_enable_1_4_extensions(mesaCtx);
+ _mesa_enable_1_5_extensions(mesaCtx);
+ _mesa_enable_2_0_extensions(mesaCtx);
+ _mesa_enable_2_1_extensions(mesaCtx);
+
+ driInitExtensions( mesaCtx, NULL, GL_FALSE );
+ break;
+ case API_OPENGLES:
+ _mesa_enable_1_3_extensions(mesaCtx);
+ _mesa_enable_1_4_extensions(mesaCtx);
+ _mesa_enable_1_5_extensions(mesaCtx);
+
+ break;
+ case API_OPENGLES2:
+ InitExtensionsES2( mesaCtx);
+ break;
+ }
return GL_TRUE;