diff options
| -rw-r--r-- | src/mesa/main/config.h | 3 | ||||
| -rw-r--r-- | src/mesa/main/dd.h | 1 | ||||
| -rw-r--r-- | src/mesa/main/mtypes.h | 103 | ||||
| -rw-r--r-- | src/mesa/main/texobj.c | 1 |
4 files changed, 108 insertions, 0 deletions
diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h index 22bbfa0cf31..ff9da779bf8 100644 --- a/src/mesa/main/config.h +++ b/src/mesa/main/config.h @@ -175,6 +175,9 @@ #define MAX_COMBINED_ATOMIC_BUFFERS (MAX_UNIFORM_BUFFERS * 6) /* Size of an atomic counter in bytes according to ARB_shader_atomic_counters */ #define ATOMIC_COUNTER_SIZE 4 +#define MAX_IMAGE_UNIFORMS 16 +/* 6 is for vertex, hull, domain, geometry, fragment, and compute shader. */ +#define MAX_IMAGE_UNITS (MAX_IMAGE_UNIFORMS * 6) /*@}*/ /** diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h index 6e73691eab1..f8237c91edb 100644 --- a/src/mesa/main/dd.h +++ b/src/mesa/main/dd.h @@ -39,6 +39,7 @@ struct gl_buffer_object; struct gl_context; struct gl_display_list; struct gl_framebuffer; +struct gl_image_unit; struct gl_pixelstore_attrib; struct gl_program; struct gl_renderbuffer; diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index f23cd81182f..5ca46a9a2c6 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -1230,6 +1230,9 @@ struct gl_texture_object /** GL_OES_EGL_image_external */ GLint RequiredTextureImageUnits; + + /** GL_ARB_shader_image_load_store */ + GLenum ImageFormatCompatibilityType; }; @@ -2402,6 +2405,32 @@ struct gl_shader */ GLenum OutputType; } Geom; + + /** + * Map from image uniform index to image unit (set by glUniform1i()) + * + * An image uniform index is associated with each image uniform by + * the linker. The image index associated with each uniform is + * stored in the \c gl_uniform_storage::image field. + */ + GLubyte ImageUnits[MAX_IMAGE_UNIFORMS]; + + /** + * Access qualifier specified in the shader for each image uniform + * index. Either \c GL_READ_ONLY, \c GL_WRITE_ONLY or \c + * GL_READ_WRITE. + * + * It may be different, though only more strict than the value of + * \c gl_image_unit::Access for the corresponding image unit. + */ + GLenum ImageAccess[MAX_IMAGE_UNIFORMS]; + + /** + * Number of image uniforms defined in the shader. It specifies + * the number of valid elements in the \c ImageUnits and \c + * ImageAccess arrays above. + */ + GLuint NumImages; }; @@ -3089,9 +3118,13 @@ struct gl_program_constants GLuint MaxUniformBlocks; GLuint MaxCombinedUniformComponents; GLuint MaxTextureImageUnits; + /* GL_ARB_shader_atomic_counters */ GLuint MaxAtomicBuffers; GLuint MaxAtomicCounters; + + /* GL_ARB_shader_image_load_store */ + GLuint MaxImageUniforms; }; @@ -3312,6 +3345,12 @@ struct gl_constants /** GL_ARB_vertex_attrib_binding */ GLint MaxVertexAttribRelativeOffset; GLint MaxVertexAttribBindings; + + /* GL_ARB_shader_image_load_store */ + GLuint MaxImageUnits; + GLuint MaxCombinedImageUnitsAndFragmentOutputs; + GLuint MaxImageSamples; + GLuint MaxCombinedImageUniforms; }; @@ -3737,6 +3776,11 @@ struct gl_driver_flags * gl_context::AtomicBufferBindings */ GLbitfield NewAtomicBuffer; + + /** + * gl_context::ImageUnits + */ + GLbitfield NewImageUnits; }; struct gl_uniform_buffer_binding @@ -3754,6 +3798,60 @@ struct gl_uniform_buffer_binding }; /** + * ARB_shader_image_load_store image unit. + */ +struct gl_image_unit +{ + /** + * Texture object bound to this unit. + */ + struct gl_texture_object *TexObj; + + /** + * Level of the texture object bound to this unit. + */ + GLuint Level; + + /** + * \c GL_TRUE if the whole level is bound as an array of layers, \c + * GL_FALSE if only some specific layer of the texture is bound. + * \sa Layer + */ + GLboolean Layered; + + /** + * Layer of the texture object bound to this unit, or zero if the + * whole level is bound. + */ + GLuint Layer; + + /** + * Access allowed to this texture image. Either \c GL_READ_ONLY, + * \c GL_WRITE_ONLY or \c GL_READ_WRITE. + */ + GLenum Access; + + /** + * GL internal format that determines the interpretation of the + * image memory when shader image operations are performed through + * this unit. + */ + GLenum Format; + + /** + * Mesa format corresponding to \c Format. + */ + gl_format _ActualFormat; + + /** + * GL_TRUE if the state of this image unit is valid and access from + * the shader is allowed. Otherwise loads from this unit should + * return zero and stores should have no effect. + */ + GLboolean _Valid; +}; + +/** * Binding point for an atomic counter buffer object. */ struct gl_atomic_buffer_binding @@ -3945,6 +4043,11 @@ struct gl_context struct gl_atomic_buffer_binding AtomicBufferBindings[MAX_COMBINED_ATOMIC_BUFFERS]; + /** + * Array of image units for ARB_shader_image_load_store. + */ + struct gl_image_unit ImageUnits[MAX_IMAGE_UNITS]; + /*@}*/ struct gl_meta_state *Meta; /**< for "meta" operations */ diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c index d6510fefddb..319dd1d5165 100644 --- a/src/mesa/main/texobj.c +++ b/src/mesa/main/texobj.c @@ -157,6 +157,7 @@ _mesa_initialize_texture_object( struct gl_context *ctx, obj->Sampler.sRGBDecode = GL_DECODE_EXT; obj->BufferObjectFormat = GL_R8; obj->_BufferObjectFormat = MESA_FORMAT_R8; + obj->ImageFormatCompatibilityType = GL_IMAGE_FORMAT_COMPATIBILITY_BY_SIZE; } |