mesa: initial support for ARB_geometry_shader4

laying down the foundation for everything and implementing most of the
stuff.
linking, gl_VerticesIn and multidimensional inputs are left.

1 files changed, 19 insertions, 1 deletions

diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index f597b23194..a369532e99 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -347,6 +347,8 @@ dummy_enum_func(void)
    gl_texture_index ti;
    gl_vert_attrib va;
    gl_vert_result vr;
+   gl_geom_attrib ga;
+   gl_geom_result gr;
 
    (void) bi;
    (void) ci;
@@ -356,6 +358,8 @@ dummy_enum_func(void)
    (void) ti;
    (void) va;
    (void) vr;
+   (void) ga;
+   (void) gr;
 }
 
 
@@ -478,10 +482,21 @@ init_program_limits(GLenum type, struct gl_program_constants *prog)
       prog->MaxAttribs = MAX_NV_VERTEX_PROGRAM_INPUTS;
       prog->MaxAddressRegs = MAX_VERTEX_PROGRAM_ADDRESS_REGS;
    }
-   else {
+   else if (type == GL_FRAGMENT_PROGRAM_ARB) {
       prog->MaxParameters = MAX_NV_FRAGMENT_PROGRAM_PARAMS;
       prog->MaxAttribs = MAX_NV_FRAGMENT_PROGRAM_INPUTS;
       prog->MaxAddressRegs = MAX_FRAGMENT_PROGRAM_ADDRESS_REGS;
+   } else {
+      prog->MaxParameters = MAX_NV_VERTEX_PROGRAM_PARAMS;
+      prog->MaxAttribs = MAX_NV_VERTEX_PROGRAM_INPUTS;
+      prog->MaxAddressRegs = MAX_VERTEX_PROGRAM_ADDRESS_REGS;
+
+      prog->MaxGeometryTextureImageUnits = MAX_GEOMETRY_TEXTURE_IMAGE_UNITS;
+      prog->MaxGeometryVaryingComponents = MAX_GEOMETRY_VARYING_COMPONENTS;
+      prog->MaxVertexVaryingComponents = MAX_VERTEX_VARYING_COMPONENTS;
+      prog->MaxGeometryUniformComponents = MAX_GEOMETRY_UNIFORM_COMPONENTS;
+      prog->MaxGeometryOutputVertices = MAX_GEOMETRY_OUTPUT_VERTICES;
+      prog->MaxGeometryTotalOutputComponents = MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS;
    }
 
    /* Set the native limits to zero.  This implies that there is no native
@@ -547,6 +562,9 @@ _mesa_init_constants(GLcontext *ctx)
 #if FEATURE_ARB_fragment_program
    init_program_limits(GL_FRAGMENT_PROGRAM_ARB, &ctx->Const.FragmentProgram);
 #endif
+#if FEATURE_ARB_geometry_shader4
+   init_program_limits(MESA_GEOMETRY_PROGRAM, &ctx->Const.GeometryProgram);
+#endif
    ctx->Const.MaxProgramMatrices = MAX_PROGRAM_MATRICES;
    ctx->Const.MaxProgramMatrixStackDepth = MAX_PROGRAM_MATRIX_STACK_DEPTH;