X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fshaderimage.h;h=6a9e3d67e92459407edab8edf8417fb23b7b7187;hb=9d670fd86cc13df0ddff5c6fcb0835926e9a8088;hp=aaecc5d299489c27b6a72f70df22fed634fa4aa7;hpb=647344bf3e739c537a97ae54046b6b55cd068721;p=mesa.git diff --git a/src/mesa/main/shaderimage.h b/src/mesa/main/shaderimage.h index aaecc5d2994..6a9e3d67e92 100644 --- a/src/mesa/main/shaderimage.h +++ b/src/mesa/main/shaderimage.h @@ -28,17 +28,61 @@ #define SHADERIMAGE_H #include "glheader.h" +#include "formats.h" + +#ifdef __cplusplus +extern "C" { +#endif struct gl_context; /** - * Recalculate the \c _Valid flag of a context's shader image units. - * - * To be called when the state of any texture bound to an image unit - * changes. + * Get the matching mesa_format for a shader image format GL enum. + */ +mesa_format +_mesa_get_shader_image_format(GLenum format); + +/** + * Get the GL image format class for a shader image format GL enum + */ +GLenum +_mesa_get_image_format_class(GLenum format); + +/** + * Return whether an image format should be supported based on the current API + * version of the context. + */ +bool +_mesa_is_shader_image_format_supported(const struct gl_context *ctx, + GLenum format); + +/** + * Get a single image unit struct with the default state. + */ +struct gl_image_unit +_mesa_default_image_unit(struct gl_context *ctx); + +/** + * Initialize a context's shader image units to the default state. */ void -_mesa_validate_image_units(struct gl_context *ctx); +_mesa_init_image_units(struct gl_context *ctx); + +/** + * Return GL_TRUE if the state of the image unit passed as argument is valid + * and access from the shader is allowed. Otherwise loads from this unit + * should return zero and stores should have no effect. + * + * The result depends on context state other than the passed image unit, part + * of the _NEW_TEXTURE_OBJECT set. + */ +GLboolean +_mesa_is_image_unit_valid(struct gl_context *ctx, struct gl_image_unit *u); + +void GLAPIENTRY +_mesa_BindImageTexture_no_error(GLuint unit, GLuint texture, GLint level, + GLboolean layered, GLint layer, GLenum access, + GLenum format); void GLAPIENTRY _mesa_BindImageTexture(GLuint unit, GLuint texture, GLint level, @@ -46,6 +90,14 @@ _mesa_BindImageTexture(GLuint unit, GLuint texture, GLint level, GLenum format); void GLAPIENTRY -_mesa_MemoryBarrier(GLbitfield barriers); +_mesa_BindImageTextures_no_error(GLuint first, GLsizei count, + const GLuint *textures); + +void GLAPIENTRY +_mesa_BindImageTextures(GLuint first, GLsizei count, const GLuint *textures); + +#ifdef __cplusplus +} +#endif #endif