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-rw-r--r--src/mesa/main/mtypes.h5
-rw-r--r--src/mesa/main/shaderapi.c44
2 files changed, 47 insertions, 2 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index e4342e0308c..e30f923dd7b 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -4161,6 +4161,11 @@ struct gl_driver_flags
* gl_context::ImageUnits
*/
uint64_t NewImageUnits;
+
+ /**
+ * gl_context::TessCtrlProgram::patch_default_*
+ */
+ uint64_t NewDefaultTessLevels;
};
struct gl_uniform_buffer_binding
diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
index a666fdf3d7e..2a40eea1d41 100644
--- a/src/mesa/main/shaderapi.c
+++ b/src/mesa/main/shaderapi.c
@@ -1999,13 +1999,53 @@ _mesa_CreateShaderProgramv(GLenum type, GLsizei count,
extern void GLAPIENTRY
_mesa_PatchParameteri(GLenum pname, GLint value)
{
- /* STUB */
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!_mesa_has_tessellation(ctx)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glPatchParameteri");
+ return;
+ }
+
+ if (pname != GL_PATCH_VERTICES) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glPatchParameteri");
+ return;
+ }
+
+ if (value <= 0 || value > ctx->Const.MaxPatchVertices) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glPatchParameteri");
+ return;
+ }
+
+ ctx->TessCtrlProgram.patch_vertices = value;
}
extern void GLAPIENTRY
_mesa_PatchParameterfv(GLenum pname, const GLfloat *values)
{
- /* STUB */
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!_mesa_has_tessellation(ctx)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glPatchParameterfv");
+ return;
+ }
+
+ switch(pname) {
+ case GL_PATCH_DEFAULT_OUTER_LEVEL:
+ FLUSH_VERTICES(ctx, 0);
+ memcpy(ctx->TessCtrlProgram.patch_default_outer_level, values,
+ 4 * sizeof(GLfloat));
+ ctx->NewDriverState |= ctx->DriverFlags.NewDefaultTessLevels;
+ return;
+ case GL_PATCH_DEFAULT_INNER_LEVEL:
+ FLUSH_VERTICES(ctx, 0);
+ memcpy(ctx->TessCtrlProgram.patch_default_inner_level, values,
+ 2 * sizeof(GLfloat));
+ ctx->NewDriverState |= ctx->DriverFlags.NewDefaultTessLevels;
+ return;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glPatchParameterfv");
+ return;
+ }
}