[Mesa-dev] [PATCH 1/6] mesa: add texture gather changes
Kenneth Graunke
kenneth at whitecape.org
Tue Apr 2 20:48:17 PDT 2013
On 03/31/2013 02:10 AM, Chris Forbes wrote:
> 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"],
> +
Maybe drop the ARB suffixes? They shouldn't be necessary.
> ]},
>
> # 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" },
>
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