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-rw-r--r--src/mesa/main/shaderapi.c100
1 files changed, 40 insertions, 60 deletions
diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
index 53f0cab7c55..f5c04b9f38f 100644
--- a/src/mesa/main/shaderapi.c
+++ b/src/mesa/main/shaderapi.c
@@ -460,6 +460,31 @@ get_handle(struct gl_context *ctx, GLenum pname)
/**
+ * Check if a geometry shader query is valid at this time. If not, report an
+ * error and return false.
+ *
+ * From GL 3.2 section 6.1.16 (Shader and Program Queries):
+ *
+ * "If GEOMETRY_VERTICES_OUT, GEOMETRY_INPUT_TYPE, or GEOMETRY_OUTPUT_TYPE
+ * are queried for a program which has not been linked successfully, or
+ * which does not contain objects to form a geometry shader, then an
+ * INVALID_OPERATION error is generated."
+ */
+static bool
+check_gs_query(struct gl_context *ctx, const struct gl_shader_program *shProg)
+{
+ if (shProg->LinkStatus &&
+ shProg->_LinkedShaders[MESA_SHADER_GEOMETRY] != NULL) {
+ return true;
+ }
+
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetProgramv(linked geometry shader required)");
+ return false;
+}
+
+
+/**
* glGetProgramiv() - get shader program state.
* Note that this is for GLSL shader programs, not ARB vertex/fragment
* programs (see glGetProgramivARB).
@@ -477,9 +502,10 @@ get_programiv(struct gl_context *ctx, GLuint program, GLenum pname, GLint *param
|| ctx->API == API_OPENGL_CORE
|| _mesa_is_gles3(ctx);
- /* Are geometry shaders available in this context?
+ /* True if geometry shaders (of the form that was adopted into GLSL 1.50
+ * and GL 3.2) are available in this context
*/
- const bool has_gs = _mesa_has_geometry_shaders(ctx);
+ const bool has_core_gs = _mesa_is_desktop_gl(ctx) && ctx->Version >= 32;
/* Are uniform buffer objects available in this context?
*/
@@ -564,20 +590,23 @@ get_programiv(struct gl_context *ctx, GLuint program, GLenum pname, GLint *param
break;
*params = shProg->TransformFeedback.BufferMode;
return;
- case GL_GEOMETRY_VERTICES_OUT_ARB:
- if (!has_gs)
+ case GL_GEOMETRY_VERTICES_OUT:
+ if (!has_core_gs)
break;
- *params = shProg->Geom.VerticesOut;
+ if (check_gs_query(ctx, shProg))
+ *params = shProg->Geom.VerticesOut;
return;
- case GL_GEOMETRY_INPUT_TYPE_ARB:
- if (!has_gs)
+ case GL_GEOMETRY_INPUT_TYPE:
+ if (!has_core_gs)
break;
- *params = shProg->Geom.InputType;
+ if (check_gs_query(ctx, shProg))
+ *params = shProg->Geom.InputType;
return;
- case GL_GEOMETRY_OUTPUT_TYPE_ARB:
- if (!has_gs)
+ case GL_GEOMETRY_OUTPUT_TYPE:
+ if (!has_core_gs)
break;
- *params = shProg->Geom.OutputType;
+ if (check_gs_query(ctx, shProg))
+ *params = shProg->Geom.OutputType;
return;
case GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH: {
unsigned i;
@@ -1631,55 +1660,6 @@ _mesa_ProgramParameteri(GLuint program, GLenum pname, GLint value)
return;
switch (pname) {
- case GL_GEOMETRY_VERTICES_OUT_ARB:
- if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_geometry_shader4)
- break;
-
- if (value < 0 ||
- (unsigned) value > ctx->Const.MaxGeometryOutputVertices) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glProgramParameteri(GL_GEOMETRY_VERTICES_OUT_ARB=%d)",
- value);
- return;
- }
- shProg->Geom.VerticesOut = value;
- return;
- case GL_GEOMETRY_INPUT_TYPE_ARB:
- if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_geometry_shader4)
- break;
-
- switch (value) {
- case GL_POINTS:
- case GL_LINES:
- case GL_LINES_ADJACENCY_ARB:
- case GL_TRIANGLES:
- case GL_TRIANGLES_ADJACENCY_ARB:
- shProg->Geom.InputType = value;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glProgramParameteri(geometry input type = %s)",
- _mesa_lookup_enum_by_nr(value));
- return;
- }
- return;
- case GL_GEOMETRY_OUTPUT_TYPE_ARB:
- if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_geometry_shader4)
- break;
-
- switch (value) {
- case GL_POINTS:
- case GL_LINE_STRIP:
- case GL_TRIANGLE_STRIP:
- shProg->Geom.OutputType = value;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glProgramParameteri(geometry output type = %s)",
- _mesa_lookup_enum_by_nr(value));
- return;
- }
- return;
case GL_PROGRAM_BINARY_RETRIEVABLE_HINT:
/* This enum isn't part of the OES extension for OpenGL ES 2.0, but it
* is part of OpenGL ES 3.0. For the ES2 case, this function shouldn't