[Mesa-dev] [PATCH 2/2] main/get: support ARB_gpu_shader5

[Jordan Justen]

If a driver enables ARB_gpu_shader5 and sets
Const.MaxVertexSteams >= 4, then piglit's
arb_gpu_shader5-minmax test should now pass.

Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
---
 src/mesa/main/config.h           | 9 +++++++++
 src/mesa/main/context.c          | 4 ++++
 src/mesa/main/get.c              | 2 ++
 src/mesa/main/get_hash_params.py | 8 +++++++-
 src/mesa/main/mtypes.h           | 4 ++++
 5 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index 0c1782a..30da5d4 100644
--- a/src/mesa/main/config.h
+++ b/src/mesa/main/config.h
@@ -272,6 +272,15 @@
 #define MAX_DEBUG_GROUP_STACK_DEPTH 64
 /*@}*/
 
+/** For GL_ARB_gpu_shader5 */
+/*@{*/
+#define MAX_GEOMETRY_SHADER_INVOCATIONS     32
+#define MIN_FRAGMENT_INTERPOLATION_OFFSET   -0.5
+#define MAX_FRAGMENT_INTERPOLATION_OFFSET   0.5
+#define FRAGMENT_INTERPOLATION_OFFSET_BITS  4
+#define MAX_VERTEX_STREAMS                  4
+/*@}*/
+
 /*
  * Color channel component order
  * 
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index b7cd568..c284079 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -692,6 +692,10 @@ _mesa_init_constants(struct gl_context *ctx)
    /* GL_ARB_vertex_attrib_binding */
    ctx->Const.MaxVertexAttribRelativeOffset = 2047;
    ctx->Const.MaxVertexAttribBindings = MAX_VERTEX_GENERIC_ATTRIBS;
+
+   /** GL_ARB_gpu_shader5 */
+   ctx->Const.MinFragmentInterpolationOffset = MIN_FRAGMENT_INTERPOLATION_OFFSET;
+   ctx->Const.MaxFragmentInterpolationOffset = MAX_FRAGMENT_INTERPOLATION_OFFSET;
 }
 
 
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index 16dce5b..4192151 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -392,6 +392,8 @@ EXTRA_EXT(ARB_shader_atomic_counters);
 EXTRA_EXT(ARB_draw_indirect);
 EXTRA_EXT(ARB_shader_image_load_store);
 EXTRA_EXT(ARB_viewport_array);
+EXTRA_EXT(ARB_gpu_shader5);
+EXTRA_EXT2(ARB_transform_feedback3, ARB_gpu_shader5);
 
 static const int
 extra_ARB_color_buffer_float_or_glcore[] = {
diff --git a/src/mesa/main/get_hash_params.py b/src/mesa/main/get_hash_params.py
index b45e143..818d9a0 100644
--- a/src/mesa/main/get_hash_params.py
+++ b/src/mesa/main/get_hash_params.py
@@ -643,7 +643,7 @@ descriptor=[
 
 # GL_ARB_transform_feedback3
   [ "MAX_TRANSFORM_FEEDBACK_BUFFERS", "CONTEXT_INT(Const.MaxTransformFeedbackBuffers), extra_ARB_transform_feedback3" ],
-  [ "MAX_VERTEX_STREAMS", "CONTEXT_INT(Const.MaxVertexStreams), extra_ARB_transform_feedback3" ],
+  [ "MAX_VERTEX_STREAMS", "CONTEXT_INT(Const.MaxVertexStreams), extra_ARB_transform_feedback3_ARB_gpu_shader5" ],
 
 # GL_ARB_geometry_shader4
   [ "MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_ARB", "CONTEXT_INT(Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits), extra_gl32_ARB_geometry_shader4" ],
@@ -751,6 +751,12 @@ descriptor=[
   [ "MAX_GEOMETRY_IMAGE_UNIFORMS", "CONTEXT_INT(Const.Program[MESA_SHADER_GEOMETRY].MaxImageUniforms), extra_ARB_shader_image_load_store_and_geometry_shader"],
   [ "MAX_FRAGMENT_IMAGE_UNIFORMS", "CONTEXT_INT(Const.Program[MESA_SHADER_FRAGMENT].MaxImageUniforms), extra_ARB_shader_image_load_store"],
   [ "MAX_COMBINED_IMAGE_UNIFORMS", "CONTEXT_INT(Const.MaxCombinedImageUniforms), extra_ARB_shader_image_load_store"],
+
+# GL_ARB_gpu_shader5
+  [ "MAX_GEOMETRY_SHADER_INVOCATIONS", "CONST(MAX_GEOMETRY_SHADER_INVOCATIONS), extra_ARB_gpu_shader5" ],
+  [ "MIN_FRAGMENT_INTERPOLATION_OFFSET", "CONTEXT_FLOAT(Const.MinFragmentInterpolationOffset), extra_ARB_gpu_shader5" ],
+  [ "MAX_FRAGMENT_INTERPOLATION_OFFSET", "CONTEXT_FLOAT(Const.MaxFragmentInterpolationOffset), extra_ARB_gpu_shader5" ],
+  [ "FRAGMENT_INTERPOLATION_OFFSET_BITS", "CONST(FRAGMENT_INTERPOLATION_OFFSET_BITS), extra_ARB_gpu_shader5" ],
 ]},
 
 # Enums restricted to OpenGL Core profile
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 9ab2de0..875b57a 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3366,6 +3366,10 @@ struct gl_constants
    GLuint MaxCombinedImageUnitsAndFragmentOutputs;
    GLuint MaxImageSamples;
    GLuint MaxCombinedImageUniforms;
+
+   /** GL_ARB_gpu_shader5 */
+   GLfloat MinFragmentInterpolationOffset;
+   GLfloat MaxFragmentInterpolationOffset;
 };
 
 
-- 
1.8.5.3