Stefan Dösinger : wined3d: Use GL_EXT_gpu_program_parameters if available.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8b28ca720edd1b177bb04022e8767d67e0ae7c67
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=8b28ca720edd1b177bb04022e8767d67e0ae7c67

Author: Stefan Dösinger <stefan at codeweavers.com>
Date:   Thu Feb 14 15:30:29 2008 +0100

wined3d: Use GL_EXT_gpu_program_parameters if available.

---

 dlls/wined3d/arb_program_shader.c |   25 +++++++++++++++++++++----
 dlls/wined3d/directx.c            |    1 +
 include/wine/wined3d_gl.h         |   13 ++++++++++++-
 3 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index fbcc7aa..75899e7 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -90,10 +90,27 @@ static unsigned int shader_arb_load_constantsF(IWineD3DBaseShaderImpl* This, Win
             GL_EXTCALL(glProgramEnvParameter4fvARB(target_type, i, lcl_const));
         }
     } else {
-        for(i = 0; i < max_constants; i++) {
-            if(dirty_consts[i]) {
-                dirty_consts[i] = 0;
-                GL_EXTCALL(glProgramEnvParameter4fvARB(target_type, i, constants + (i * 4)));
+        if(GL_SUPPORT(EXT_GPU_PROGRAM_PARAMETERS)) {
+            /* TODO: Benchmark if we're better of with finding the dirty constants ourselves,
+             * or just reloading *all* constants at once
+             *
+            GL_EXTCALL(glProgramEnvParameters4fvEXT(target_type, 0, max_constants, constants));
+             */
+            for(i = 0; i < max_constants; i++) {
+                if(!dirty_consts[i]) continue;
+
+                /* Find the next block of dirty constants */
+                j = i;
+                for(i++; (i < max_constants) && dirty_consts[i]; i++);
+
+                GL_EXTCALL(glProgramEnvParameters4fvEXT(target_type, j, i - j, constants + (j * 4)));
+            }
+        } else {
+            for(i = 0; i < max_constants; i++) {
+                if(dirty_consts[i]) {
+                    dirty_consts[i] = 0;
+                    GL_EXTCALL(glProgramEnvParameter4fvARB(target_type, i, constants + (i * 4)));
+                }
             }
         }
     }
diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index f4557ba..3d819f1 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -107,6 +107,7 @@ static const struct {
     {"GL_EXT_texture_lod_bias",             EXT_TEXTURE_LOD_BIAS,           0                           },
     {"GL_EXT_vertex_shader",                EXT_VERTEX_SHADER,              0                           },
     {"GL_EXT_vertex_weighting",             EXT_VERTEX_WEIGHTING,           0                           },
+    {"GL_EXT_gpu_program_parameters",       EXT_GPU_PROGRAM_PARAMETERS,     0                           },
 
     /* NV */
     {"GL_NV_half_float",                    NV_HALF_FLOAT,                  0                           },
diff --git a/include/wine/wined3d_gl.h b/include/wine/wined3d_gl.h
index 66bfad8..ac1457f 100644
--- a/include/wine/wined3d_gl.h
+++ b/include/wine/wined3d_gl.h
@@ -2906,6 +2906,13 @@ typedef void (WINE_GLAPI * PGLFNFINISHRENDERAPPLEPROC) (void);
 #define GL_LUMINANCE_ALPHA_FLOAT16_APPLE    0x881F
 #endif
 
+/* GL_EXT_gpu_program_parameters */
+#ifndef GL_EXT_gpu_program_parameters
+#define GL_EXT_gpu_program_parameters
+typedef void (WINE_GLAPI * PGLFNPROGRAMENVPARAMETERS4FVEXTPROC) (GLenum target, GLuint index, GLsizei count, const float *params);
+typedef void (WINE_GLAPI * PGLFNPROGRAMLOCALPARAMETERS4FVEXTPROC) (GLenum target, GLuint index, GLsizei count, const float *params);
+#endif
+
 /* GL_VERSION_2_0 */
 #ifndef GL_VERSION_2_0
 #define GL_VERSION_2_0 1
@@ -3240,6 +3247,7 @@ typedef enum _GL_SupportedExt {
   EXT_TEXTURE_ENV_DOT3,
   EXT_TEXTURE_SRGB,
   EXT_VERTEX_WEIGHTING,
+  EXT_GPU_PROGRAM_PARAMETERS,
   /* NVIDIA */
   NV_HALF_FLOAT,
   NV_FOG_DISTANCE,
@@ -3559,7 +3567,10 @@ typedef enum _GL_SupportedExt {
     USE_GL_FUNC(PGLXFNWAITVIDEOSYNCSGIPROC,                         glXWaitVideoSyncSGI,                        SGI_VIDEO_SYNC,         NULL );\
     /* GL_APPLE_flush_render */ \
     USE_GL_FUNC(PGLFNFLUSHRENDERAPPLEPROC,                          glFlushRenderApple,                         APPLE_FLUSH_RENDER,     NULL );\
-    USE_GL_FUNC(PGLFNFINISHRENDERAPPLEPROC,                         glFinishRenderApple,                        APPLE_FLUSH_RENDER,     NULL );
+    USE_GL_FUNC(PGLFNFINISHRENDERAPPLEPROC,                         glFinishRenderApple,                        APPLE_FLUSH_RENDER,     NULL );\
+    /* GL_EXT_gpu_program_parameters */ \
+    USE_GL_FUNC(PGLFNPROGRAMENVPARAMETERS4FVEXTPROC,                glProgramEnvParameters4fvEXT,            EXT_GPU_PROGRAM_PARAMETERS,NULL );\
+    USE_GL_FUNC(PGLFNPROGRAMLOCALPARAMETERS4FVEXTPROC,              glProgramLocalParameters4fvEXT,          EXT_GPU_PROGRAM_PARAMETERS,NULL );
 
 /****************************************************
  * OpenGL WGL defines and functions pointer