[Mesa-dev] [PATCH 1/6] mesa: add texture gather changes
Chris Forbes
chrisf at ijw.co.nz
Sun Mar 31 02:10:49 PDT 2013
From: Maxence Le Dore <maxence.ledore at gmail.com>
---
src/mapi/glapi/gen/ARB_texture_gather.xml | 14 ++++++++++++++
src/mapi/glapi/gen/gl_API.xml | 2 +-
src/mesa/main/context.c | 4 ++++
src/mesa/main/extensions.c | 1 +
src/mesa/main/get.c | 1 +
src/mesa/main/get_hash_params.py | 6 ++++++
src/mesa/main/mtypes.h | 6 ++++++
src/mesa/main/tests/enum_strings.cpp | 3 +++
8 files changed, 36 insertions(+), 1 deletion(-)
create mode 100644 src/mapi/glapi/gen/ARB_texture_gather.xml
diff --git a/src/mapi/glapi/gen/ARB_texture_gather.xml b/src/mapi/glapi/gen/ARB_texture_gather.xml
new file mode 100644
index 0000000..cd331ac
--- /dev/null
+++ b/src/mapi/glapi/gen/ARB_texture_gather.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0"?>
+<!DOCTYPE OpenGLAPI SYSTEM "gl_API.dtd">
+
+<OpenGLAPI>
+
+<category name="GL_ARB_texture_gather" number="72">
+
+ <enum name="MIN_PROGRAM_TEXTURE_GATHER_OFFSET_ARB" value="0x8E5E"/>
+ <enum name="MAX_PROGRAM_TEXTURE_GATHER_OFFSET_ARB" value="0x8E5F"/>
+ <enum name="MAX_PROGRAM_TEXTURE_GATHER_COMPONENTS_ARB" value="0x8F9F"/>
+
+</category>
+
+</OpenGLAPI>
\ No newline at end of file
diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
index 75957dc..9a957d1 100644
--- a/src/mapi/glapi/gen/gl_API.xml
+++ b/src/mapi/glapi/gen/gl_API.xml
@@ -8188,7 +8188,7 @@
<!-- 70. GL_ARB_sample_shading -->
<xi:include href="ARB_texture_cube_map_array.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
-<!-- 72. GL_ARB_texture_gather -->
+<xi:include href="ARB_texture_gather.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
<!-- 73. GL_ARB_texture_query_lod -->
<!-- ARB extension number 74 is a WGL extension. -->
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 0539934..d4e773b 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -647,6 +647,10 @@ _mesa_init_constants(struct gl_context *ctx)
ctx->Const.MinProgramTexelOffset = -8;
ctx->Const.MaxProgramTexelOffset = 7;
+ /* GL_ARB_texture_gather */
+ ctx->Const.MinProgramTextureGatherOffset = -8;
+ ctx->Const.MaxProgramTextureGatherOffset = 7;
+
/* GL_ARB_robustness */
ctx->Const.ResetStrategy = GL_NO_RESET_NOTIFICATION_ARB;
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 3116692..593ed1a 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -141,6 +141,7 @@ static const struct extension extension_table[] = {
{ "GL_ARB_texture_env_crossbar", o(ARB_texture_env_crossbar), GLL, 2001 },
{ "GL_ARB_texture_env_dot3", o(ARB_texture_env_dot3), GLL, 2001 },
{ "GL_ARB_texture_float", o(ARB_texture_float), GL, 2004 },
+ { "GL_ARB_texture_gather", o(ARB_texture_gather), GL, 2009 },
{ "GL_ARB_texture_mirrored_repeat", o(dummy_true), GLL, 2001 },
{ "GL_ARB_texture_multisample", o(ARB_texture_multisample), GL, 2009 },
{ "GL_ARB_texture_non_power_of_two", o(ARB_texture_non_power_of_two), GL, 2003 },
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index 582ef31..a182ab4 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -356,6 +356,7 @@ EXTRA_EXT(ARB_map_buffer_alignment);
EXTRA_EXT(ARB_texture_cube_map_array);
EXTRA_EXT(ARB_texture_buffer_range);
EXTRA_EXT(ARB_texture_multisample);
+EXTRA_EXT(ARB_texture_gather);
static const int
extra_NV_primitive_restart[] = {
diff --git a/src/mesa/main/get_hash_params.py b/src/mesa/main/get_hash_params.py
index 7d4f7e2..1941d53 100644
--- a/src/mesa/main/get_hash_params.py
+++ b/src/mesa/main/get_hash_params.py
@@ -709,6 +709,12 @@ descriptor=[
# GL_ARB_texture_cube_map_array
[ "TEXTURE_BINDING_CUBE_MAP_ARRAY_ARB", "LOC_CUSTOM, TYPE_INT, TEXTURE_CUBE_ARRAY_INDEX, extra_ARB_texture_cube_map_array" ],
+
+# GL_ARB_texture_gather
+ [ "MIN_PROGRAM_TEXTURE_GATHER_OFFSET_ARB", "CONTEXT_INT(Const.MinProgramTextureGatherOffset), extra_ARB_texture_gather"],
+ [ "MAX_PROGRAM_TEXTURE_GATHER_OFFSET_ARB", "CONTEXT_INT(Const.MaxProgramTextureGatherOffset), extra_ARB_texture_gather"],
+ [ "MAX_PROGRAM_TEXTURE_GATHER_COMPONENTS_ARB", "CONTEXT_INT(Const.MaxProgramTextureGatherComponents), extra_ARB_texture_gather"],
+
]},
# Enums restricted to OpenGL Core profile
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index e47e835..37e4b61 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2860,6 +2860,11 @@ struct gl_constants
/** GL_EXT_gpu_shader4 */
GLint MinProgramTexelOffset, MaxProgramTexelOffset;
+ /** GL_ARB_texture_gather */
+ GLuint MinProgramTextureGatherOffset;
+ GLuint MaxProgramTextureGatherOffset;
+ GLuint MaxProgramTextureGatherComponents;
+
/* GL_ARB_robustness */
GLenum ResetStrategy;
@@ -2990,6 +2995,7 @@ struct gl_extensions
GLboolean ARB_texture_env_crossbar;
GLboolean ARB_texture_env_dot3;
GLboolean ARB_texture_float;
+ GLboolean ARB_texture_gather;
GLboolean ARB_texture_multisample;
GLboolean ARB_texture_non_power_of_two;
GLboolean ARB_texture_query_lod;
diff --git a/src/mesa/main/tests/enum_strings.cpp b/src/mesa/main/tests/enum_strings.cpp
index 1dae60f..0c08be0 100644
--- a/src/mesa/main/tests/enum_strings.cpp
+++ b/src/mesa/main/tests/enum_strings.cpp
@@ -1790,6 +1790,8 @@ const struct enum_info everything[] = {
{ 0x8E51, "GL_SAMPLE_MASK" },
{ 0x8E52, "GL_SAMPLE_MASK_VALUE" },
{ 0x8E59, "GL_MAX_SAMPLE_MASK_WORDS" },
+ { 0x8E5E, "GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET" },
+ { 0x8E5F, "GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET" },
{ 0x8F36, "GL_COPY_READ_BUFFER" },
{ 0x8F37, "GL_COPY_WRITE_BUFFER" },
{ 0x8F90, "GL_RED_SNORM" },
@@ -1807,6 +1809,7 @@ const struct enum_info everything[] = {
{ 0x8F9C, "GL_SIGNED_NORMALIZED" },
{ 0x8F9D, "GL_PRIMITIVE_RESTART" },
{ 0x8F9E, "GL_PRIMITIVE_RESTART_INDEX" },
+ { 0x8F9F, "GL_MAX_PROGRAM_TEXTURE_GATHER_COMPONENTS" },
{ 0x906F, "GL_RGB10_A2UI" },
{ 0x9100, "GL_TEXTURE_2D_MULTISAMPLE" },
{ 0x9101, "GL_PROXY_TEXTURE_2D_MULTISAMPLE" },
--
1.8.2
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