From 750f52169ccbd1aca217e7749f1ce6ae5828c2ac Mon Sep 17 00:00:00 2001
From: George Sapountzis <gsap7@yahoo.gr>
Date: Fri, 18 Apr 2008 17:34:45 +0300
Subject: glcore: tree sharing for DRI and XMesa

---
 src/mesa/drivers/x11/xm_api.c | 71 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 70 insertions(+), 1 deletion(-)

(limited to 'src/mesa/drivers/x11/xm_api.c')

diff --git a/src/mesa/drivers/x11/xm_api.c b/src/mesa/drivers/x11/xm_api.c
index e606bb1191d..89418175317 100644
--- a/src/mesa/drivers/x11/xm_api.c
+++ b/src/mesa/drivers/x11/xm_api.c
@@ -1303,6 +1303,67 @@ xmesa_convert_from_x_visual_type( int visualType )
 /**********************************************************************/
 
 
+#ifdef IN_DRI_DRIVER
+#define need_GL_VERSION_1_3
+#define need_GL_VERSION_1_4
+#define need_GL_VERSION_1_5
+#define need_GL_VERSION_2_0
+
+/* sw extensions for imaging */
+#define need_GL_EXT_blend_color
+#define need_GL_EXT_blend_minmax
+#define need_GL_EXT_convolution
+#define need_GL_EXT_histogram
+#define need_GL_SGI_color_table
+
+/* sw extensions not associated with some GL version */
+#define need_GL_ARB_shader_objects
+#define need_GL_ARB_vertex_program
+#define need_GL_APPLE_vertex_array_object
+#define need_GL_ATI_fragment_shader
+#define need_GL_EXT_depth_bounds_test
+#define need_GL_EXT_framebuffer_object
+#define need_GL_EXT_framebuffer_blit
+#define need_GL_EXT_gpu_program_parameters
+#define need_GL_EXT_paletted_texture
+#define need_GL_IBM_multimode_draw_arrays
+#define need_GL_MESA_resize_buffers
+#define need_GL_NV_vertex_program
+#define need_GL_NV_fragment_program
+
+#include "extension_helper.h"
+#include "utils.h"
+
+const struct dri_extension card_extensions[] =
+{
+   { "GL_VERSION_1_3",			GL_VERSION_1_3_functions },
+   { "GL_VERSION_1_4",			GL_VERSION_1_4_functions },
+   { "GL_VERSION_1_5",			GL_VERSION_1_5_functions },
+   { "GL_VERSION_2_0",			GL_VERSION_2_0_functions },
+
+   { "GL_EXT_blend_color",		GL_EXT_blend_color_functions },
+   { "GL_EXT_blend_minmax",		GL_EXT_blend_minmax_functions },
+   { "GL_EXT_convolution",		GL_EXT_convolution_functions },
+   { "GL_EXT_histogram",		GL_EXT_histogram_functions },
+   { "GL_SGI_color_table",		GL_SGI_color_table_functions },
+
+   { "GL_ARB_shader_objects",		GL_ARB_shader_objects_functions },
+   { "GL_ARB_vertex_program",		GL_ARB_vertex_program_functions },
+   { "GL_APPLE_vertex_array_object",	GL_APPLE_vertex_array_object_functions },
+   { "GL_ATI_fragment_shader",		GL_ATI_fragment_shader_functions },
+   { "GL_EXT_depth_bounds_test",	GL_EXT_depth_bounds_test_functions },
+   { "GL_EXT_framebuffer_object",	GL_EXT_framebuffer_object_functions },
+   { "GL_EXT_framebuffer_blit",		GL_EXT_framebuffer_blit_functions },
+   { "GL_EXT_gpu_program_parameters",	GL_EXT_gpu_program_parameters_functions },
+   { "GL_EXT_paletted_texture",		GL_EXT_paletted_texture_functions },
+   { "GL_IBM_multimode_draw_arrays",	GL_IBM_multimode_draw_arrays_functions },
+   { "GL_MESA_resize_buffers",		GL_MESA_resize_buffers_functions },
+   { "GL_NV_vertex_program",		GL_NV_vertex_program_functions },
+   { "GL_NV_fragment_program",		GL_NV_fragment_program_functions },
+   { NULL,				NULL }
+};
+#endif
+
 /*
  * Create a new X/Mesa visual.
  * Input:  display - X11 display
@@ -1348,6 +1409,14 @@ XMesaVisual XMesaCreateVisual( XMesaDisplay *display,
    XMesaVisual v;
    GLint red_bits, green_bits, blue_bits, alpha_bits;
 
+#ifdef IN_DRI_DRIVER
+   /* driInitExtensions() should be called once per screen to setup extension
+    * indices.  There is no need to call it when the context is created since
+    * XMesa enables mesa sw extensions on its own.
+    */
+   driInitExtensions( NULL, card_extensions, GL_FALSE );
+#endif
+
 #ifndef XFree86Server
    /* For debugging only */
    if (_mesa_getenv("MESA_XSYNC")) {
@@ -1525,7 +1594,7 @@ XMesaContext XMesaCreateContext( XMesaVisual v, XMesaContext share_list )
    _mesa_enable_2_0_extensions(mesaCtx);
    _mesa_enable_2_1_extensions(mesaCtx);
 #if ENABLE_EXT_texure_compression_s3tc
-    if (c->Mesa_DXTn) {
+    if (mesaCtx->Mesa_DXTn) {
        _mesa_enable_extension(mesaCtx, "GL_EXT_texture_compression_s3tc");
        _mesa_enable_extension(mesaCtx, "GL_S3_s3tc");
     }
-- 
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