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-rw-r--r--mesalib/src/mesa/main/context.c4
-rw-r--r--mesalib/src/mesa/main/extensions.c1
-rw-r--r--mesalib/src/mesa/main/get.c1
-rw-r--r--mesalib/src/mesa/main/get_hash_params.py6
-rw-r--r--mesalib/src/mesa/main/mtypes.h8
5 files changed, 20 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/context.c b/mesalib/src/mesa/main/context.c
index 310518c92..0d1f71c71 100644
--- a/mesalib/src/mesa/main/context.c
+++ b/mesalib/src/mesa/main/context.c
@@ -652,6 +652,10 @@ _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/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index 51a8051e2..c0f17c5fd 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -142,6 +142,7 @@ 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/mesalib/src/mesa/main/get.c b/mesalib/src/mesa/main/get.c
index 7af5f5591..89b3bf09d 100644
--- a/mesalib/src/mesa/main/get.c
+++ b/mesalib/src/mesa/main/get.c
@@ -366,6 +366,7 @@ 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_ARB_color_buffer_float_or_glcore[] = {
diff --git a/mesalib/src/mesa/main/get_hash_params.py b/mesalib/src/mesa/main/get_hash_params.py
index 8147dd0b8..e80a23c11 100644
--- a/mesalib/src/mesa/main/get_hash_params.py
+++ b/mesalib/src/mesa/main/get_hash_params.py
@@ -716,6 +716,12 @@ 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", "CONTEXT_INT(Const.MinProgramTextureGatherOffset), extra_ARB_texture_gather"],
+ [ "MAX_PROGRAM_TEXTURE_GATHER_OFFSET", "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/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index d82672dc9..514f81048 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -1963,6 +1963,8 @@ struct gl_program
GLbitfield SamplersUsed; /**< Bitfield of which samplers are used */
GLbitfield ShadowSamplers; /**< Texture units used for shadow sampling. */
+ GLboolean UsesGather; /**< Does this program use gather4 at all? */
+
/** Named parameters, constants, etc. from program text */
struct gl_program_parameter_list *Parameters;
@@ -3081,6 +3083,11 @@ 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;
@@ -3210,6 +3217,7 @@ 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;