[Mesa-dev] [RFC PATCH 01/56] mapi: Add ARB_tessellation_shader
Chris Forbes
chrisf at ijw.co.nz
Sat Sep 20 18:40:41 PDT 2014
From: Fabian Bieler <fabianbieler at fastmail.fm>
V2 [Chris]: Remove display list support; we will only do tessellation
shders in the core profile.
---
src/mapi/glapi/gen/ARB_tessellation_shader.xml | 62 ++++++++++++++++++++++++++
src/mapi/glapi/gen/gl_API.xml | 6 ++-
src/mapi/glapi/gen/gl_enums.py | 1 +
src/mesa/main/mtypes.h | 2 +-
src/mesa/main/shaderapi.c | 18 ++++++++
src/mesa/main/shaderapi.h | 7 +++
src/mesa/main/tests/dispatch_sanity.cpp | 4 +-
7 files changed, 96 insertions(+), 4 deletions(-)
create mode 100644 src/mapi/glapi/gen/ARB_tessellation_shader.xml
diff --git a/src/mapi/glapi/gen/ARB_tessellation_shader.xml b/src/mapi/glapi/gen/ARB_tessellation_shader.xml
new file mode 100644
index 0000000..16a2139
--- /dev/null
+++ b/src/mapi/glapi/gen/ARB_tessellation_shader.xml
@@ -0,0 +1,62 @@
+<?xml version="1.0"?>
+<!DOCTYPE OpenGLAPI SYSTEM "gl_API.dtd">
+
+<!-- Note: no GLX protocol info yet. -->
+
+<OpenGLAPI>
+
+
+<category name="GL_ARB_tessellation_shader" number="91">
+
+ <!--<enum value="0" name="FALSE"/>
+ <enum value="1" name="TRUE"/>
+ <enum value="0x0004" name="TRIANGLES"/>
+ <enum value="0x0007" name="QUADS"/>
+ <enum value="0x0202" name="EQUAL"/>
+ <enum value="0x0900" name="CW"/>
+ <enum value="0x0901" name="CCW"/>-->
+
+ <enum value="0x000E" name="PATCHES"/>
+ <enum value="0x84F0" name="UNIFORM_BLOCK_REFERENCED_BY_TESS_CONTROL_SHADER"/>
+ <enum value="0x84F1" name="UNIFORM_BLOCK_REFERENCED_BY_TESS_EVALUATION_SHADER"/>
+ <enum value="0x886C" name="MAX_TESS_CONTROL_INPUT_COMPONENTS"/>
+ <enum value="0x886D" name="MAX_TESS_EVALUATION_INPUT_COMPONENTS"/>
+ <enum value="0x8E1E" name="MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS"/>
+ <enum value="0x8E1F" name="MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS"/>
+ <enum value="0x8E72" name="PATCH_VERTICES"/>
+ <enum value="0x8E73" name="PATCH_DEFAULT_INNER_LEVEL"/>
+ <enum value="0x8E74" name="PATCH_DEFAULT_OUTER_LEVEL"/>
+ <enum value="0x8E75" name="TESS_CONTROL_OUTPUT_VERTICES"/>
+ <enum value="0x8E76" name="TESS_GEN_MODE"/>
+ <enum value="0x8E77" name="TESS_GEN_SPACING"/>
+ <enum value="0x8E78" name="TESS_GEN_VERTEX_ORDER"/>
+ <enum value="0x8E79" name="TESS_GEN_POINT_MODE"/>
+ <enum value="0x8E7A" name="ISOLINES"/>
+ <enum value="0x8E7B" name="FRACTIONAL_ODD"/>
+ <enum value="0x8E7C" name="FRACTIONAL_EVEN"/>
+ <enum value="0x8E7D" name="MAX_PATCH_VERTICES"/>
+ <enum value="0x8E7E" name="MAX_TESS_GEN_LEVEL"/>
+ <enum value="0x8E7F" name="MAX_TESS_CONTROL_UNIFORM_COMPONENTS"/>
+ <enum value="0x8E80" name="MAX_TESS_EVALUATION_UNIFORM_COMPONENTS"/>
+ <enum value="0x8E81" name="MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS"/>
+ <enum value="0x8E82" name="MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS"/>
+ <enum value="0x8E83" name="MAX_TESS_CONTROL_OUTPUT_COMPONENTS"/>
+ <enum value="0x8E84" name="MAX_TESS_PATCH_COMPONENTS"/>
+ <enum value="0x8E85" name="MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS"/>
+ <enum value="0x8E86" name="MAX_TESS_EVALUATION_OUTPUT_COMPONENTS"/>
+ <enum value="0x8E87" name="TESS_EVALUATION_SHADER"/>
+ <enum value="0x8E88" name="TESS_CONTROL_SHADER"/>
+ <enum value="0x8E89" name="MAX_TESS_CONTROL_UNIFORM_BLOCKS"/>
+ <enum value="0x8E8A" name="MAX_TESS_EVALUATION_UNIFORM_BLOCKS"/>
+
+ <function name="PatchParameteri" offset="assign">
+ <param name="pname" type="GLenum"/>
+ <param name="value" type="GLint"/>
+ </function>
+ <function name="PatchParameterfv" offset="assign">
+ <param name="pname" type="GLenum"/>
+ <param name="values" type="const GLfloat *"/>
+ </function>
+</category>
+
+</OpenGLAPI>
diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
index 73f2f75..153d814 100644
--- a/src/mapi/glapi/gen/gl_API.xml
+++ b/src/mapi/glapi/gen/gl_API.xml
@@ -8207,7 +8207,11 @@
<xi:include href="ARB_vertex_type_2_10_10_10_rev.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
-<!-- ARB extensions #86...#93 -->
+<!-- ARB extensions #86...#90 -->
+
+<xi:include href="ARB_tessellation_shader.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
+
+<!-- ARB extensions #92...#93 -->
<xi:include href="ARB_draw_indirect.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
diff --git a/src/mapi/glapi/gen/gl_enums.py b/src/mapi/glapi/gen/gl_enums.py
index 0214932..7a7e745 100644
--- a/src/mapi/glapi/gen/gl_enums.py
+++ b/src/mapi/glapi/gen/gl_enums.py
@@ -116,6 +116,7 @@ static const char *prim_names[PRIM_MAX+3] = {
"GL_LINE_STRIP_ADJACENCY",
"GL_TRIANGLES_ADJACENCY",
"GL_TRIANGLE_STRIP_ADJACENCY",
+ "GL_PATCHES",
"outside begin/end",
"unknown state"
};
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 553a216..9f93aa1 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -89,7 +89,7 @@ struct vbo_context;
/** Extra draw modes beyond GL_POINTS, GL_TRIANGLE_FAN, etc */
-#define PRIM_MAX GL_TRIANGLE_STRIP_ADJACENCY
+#define PRIM_MAX GL_PATCHES
#define PRIM_OUTSIDE_BEGIN_END (PRIM_MAX + 1)
#define PRIM_UNKNOWN (PRIM_MAX + 2)
diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
index 620cab3..79d2e94 100644
--- a/src/mesa/main/shaderapi.c
+++ b/src/mesa/main/shaderapi.c
@@ -1919,3 +1919,21 @@ _mesa_CreateShaderProgramv(GLenum type, GLsizei count,
return _mesa_create_shader_program(ctx, GL_TRUE, type, count, strings);
}
+
+
+/**
+ * For GL_ARB_tessellation_shader
+ */
+extern void GLAPIENTRY
+_mesa_PatchParameteri(GLenum pname, GLint value)
+{
+ /* STUB */
+}
+
+
+extern void GLAPIENTRY
+_mesa_PatchParameterfv(GLenum pname, const GLfloat *values)
+{
+ /* STUB */
+}
+
diff --git a/src/mesa/main/shaderapi.h b/src/mesa/main/shaderapi.h
index 17b05b3..3125829 100644
--- a/src/mesa/main/shaderapi.h
+++ b/src/mesa/main/shaderapi.h
@@ -228,6 +228,13 @@ extern GLuint GLAPIENTRY
_mesa_CreateShaderProgramv(GLenum type, GLsizei count,
const GLchar* const *strings);
+/* GL_ARB_tessellation_shader */
+extern void GLAPIENTRY
+_mesa_PatchParameteri(GLenum pname, GLint value);
+
+extern void GLAPIENTRY
+_mesa_PatchParameterfv(GLenum pname, const GLfloat *values);
+
#ifdef __cplusplus
}
#endif
diff --git a/src/mesa/main/tests/dispatch_sanity.cpp b/src/mesa/main/tests/dispatch_sanity.cpp
index 04fa86b..2fabd1e 100644
--- a/src/mesa/main/tests/dispatch_sanity.cpp
+++ b/src/mesa/main/tests/dispatch_sanity.cpp
@@ -543,6 +543,8 @@ const struct function gl_core_functions_possible[] = {
/* GL 4.0 */
{ "glMinSampleShading", 40, -1 },
+ { "glPatchParameteri", 40, -1 },
+ { "glPatchParameterfv", 40, -1 },
{ "glBlendEquationi", 40, -1 },
{ "glBlendEquationSeparatei", 40, -1 },
{ "glBlendFunci", 40, -1 },
@@ -695,8 +697,6 @@ const struct function gl_core_functions_possible[] = {
// { "glUniformSubroutinesuiv", 43, -1 }, // XXX: Add to xml
// { "glGetUniformSubroutineuiv", 43, -1 }, // XXX: Add to xml
// { "glGetProgramStageiv", 43, -1 }, // XXX: Add to xml
-// { "glPatchParameteri", 43, -1 }, // XXX: Add to xml
-// { "glPatchParameterfv", 43, -1 }, // XXX: Add to xml
{ "glBindTransformFeedback", 43, -1 },
{ "glDeleteTransformFeedbacks", 43, -1 },
{ "glGenTransformFeedbacks", 43, -1 },
--
2.1.0
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