mesa: (trivial) include <inttypes.h> for PRIx64 macros

[mesa.git] / src / mesa / main / shaderimage.h

diff --git a/src/mesa/main/shaderimage.h b/src/mesa/main/shaderimage.h
index 33d8a1eff5516c71cad4d34edc83937b9a1961aa..2cf0b0abc72750f4664317f3a8f66a5f85ac9140 100644 (file)
--- a/src/mesa/main/shaderimage.h
+++ b/src/mesa/main/shaderimage.h
@@ -42,6 +42,26 @@ struct gl_context;
 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.
  */
@@ -49,13 +69,15 @@ void
 _mesa_init_image_units(struct gl_context *ctx);
 
 /**
- * Recalculate the \c _Valid flag of a context's shader image units.
+ * 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.
  *
- * To be called when the state of any texture bound to an image unit
- * changes.
+ * The result depends on context state other than the passed image unit, part
+ * of the _NEW_TEXTURE set.
  */
-void
-_mesa_validate_image_units(struct gl_context *ctx);
+GLboolean
+_mesa_is_image_unit_valid(struct gl_context *ctx, struct gl_image_unit *u);
 
 void GLAPIENTRY
 _mesa_BindImageTexture(GLuint unit, GLuint texture, GLint level,
@@ -65,9 +87,6 @@ _mesa_BindImageTexture(GLuint unit, GLuint texture, GLint level,
 void GLAPIENTRY
 _mesa_BindImageTextures(GLuint first, GLsizei count, const GLuint *textures);
 
-void GLAPIENTRY
-_mesa_MemoryBarrier(GLbitfield barriers);
-
 #ifdef __cplusplus
 }
 #endif