[PATCH 3/5] wined3d: Add support for ARB_depth_clamp.
Henri Verbeet
hverbeet at codeweavers.com
Tue Sep 1 02:09:35 CDT 2009
---
dlls/wined3d/directx.c | 6 ++++++
dlls/wined3d/state.c | 14 ++++++++------
dlls/wined3d/wined3d_gl.h | 7 +++++++
3 files changed, 21 insertions(+), 6 deletions(-)
diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 5e66f34..d9608f5 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -56,6 +56,7 @@ static const struct {
/* ARB */
{"GL_ARB_color_buffer_float", ARB_COLOR_BUFFER_FLOAT, 0 },
{"GL_ARB_depth_buffer_float", ARB_DEPTH_BUFFER_FLOAT, 0 },
+ {"GL_ARB_depth_clamp", ARB_DEPTH_CLAMP, 0 },
{"GL_ARB_depth_texture", ARB_DEPTH_TEXTURE, 0 },
{"GL_ARB_draw_buffers", ARB_DRAW_BUFFERS, 0 },
{"GL_ARB_fragment_program", ARB_FRAGMENT_PROGRAM, 0 },
@@ -1662,6 +1663,11 @@ static BOOL IWineD3DImpl_FillGLCaps(struct wined3d_gl_info *gl_info)
TRACE_(d3d_caps)(" IMPLIED: NVIDIA (NV) Texture Gen Reflection support.\n");
gl_info->supported[NV_TEXGEN_REFLECTION] = TRUE;
}
+ if (!gl_info->supported[ARB_DEPTH_CLAMP] && gl_info->supported[NV_DEPTH_CLAMP])
+ {
+ TRACE_(d3d_caps)(" IMPLIED: ARB_depth_clamp support (by NV_depth_clamp).\n");
+ gl_info->supported[ARB_DEPTH_CLAMP] = TRUE;
+ }
if (gl_info->supported[NV_TEXTURE_SHADER2])
{
if (gl_info->supported[NV_REGISTER_COMBINERS])
diff --git a/dlls/wined3d/state.c b/dlls/wined3d/state.c
index 8ddfd28..2df21ad 100644
--- a/dlls/wined3d/state.c
+++ b/dlls/wined3d/state.c
@@ -564,16 +564,18 @@ static void state_clipping(DWORD state, IWineD3DStateBlockImpl *stateblock, stru
if (stateblock->renderState[WINED3DRS_CLIPPING]) {
enable = stateblock->renderState[WINED3DRS_CLIPPLANEENABLE];
disable = ~stateblock->renderState[WINED3DRS_CLIPPLANEENABLE];
- if(GL_SUPPORT(NV_DEPTH_CLAMP)) {
- glDisable(GL_DEPTH_CLAMP_NV);
- checkGLcall("glDisable(GL_DEPTH_CLAMP_NV)");
+ if (GL_SUPPORT(ARB_DEPTH_CLAMP))
+ {
+ glDisable(GL_DEPTH_CLAMP);
+ checkGLcall("glDisable(GL_DEPTH_CLAMP)");
}
} else {
disable = 0xffffffff;
enable = 0x00;
- if(GL_SUPPORT(NV_DEPTH_CLAMP)) {
- glEnable(GL_DEPTH_CLAMP_NV);
- checkGLcall("glEnable(GL_DEPTH_CLAMP_NV)");
+ if (GL_SUPPORT(ARB_DEPTH_CLAMP))
+ {
+ glEnable(GL_DEPTH_CLAMP);
+ checkGLcall("glEnable(GL_DEPTH_CLAMP)");
}
}
diff --git a/dlls/wined3d/wined3d_gl.h b/dlls/wined3d/wined3d_gl.h
index f5f5e18..9c85d57 100644
--- a/dlls/wined3d/wined3d_gl.h
+++ b/dlls/wined3d/wined3d_gl.h
@@ -1528,6 +1528,12 @@ typedef void (WINE_GLAPI *PGLFNCLAMPCOLORARBPROC) (GLenum target, GLenum clamp);
#define GL_FLOAT_32_UNSIGNED_INT_24_8_REV 0x8dad
#endif
+/* GL_ARB_depth_clamp */
+#ifndef GL_ARB_depth_clamp
+#define GL_ARB_depth_clamp 1
+#define GL_DEPTH_CLAMP 0x864f
+#endif
+
/* GL_ARB_depth_texture */
#ifndef GL_ARB_depth_texture
#define GL_ARB_depth_texture 1
@@ -3405,6 +3411,7 @@ typedef enum _GL_SupportedExt {
/* ARB */
ARB_COLOR_BUFFER_FLOAT,
ARB_DEPTH_BUFFER_FLOAT,
+ ARB_DEPTH_CLAMP,
ARB_DEPTH_TEXTURE,
ARB_DRAW_BUFFERS,
ARB_FRAGMENT_PROGRAM,
--
1.6.0.6
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