mesa/main: Add generic bits of ARB_clear_texture implementation

This adds the driver entry point for glClearTexSubImage and fills in the
_mesa_ClearTexImage and _mesa_ClearTexSubImage functions that call it.

v2: Don't clear some of the images if only one of them makes an error

Reviewed-by: Jason Ekstrand <[email protected]>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/mesa/main/teximage.h b/src/mesa/main/teximage.h
index 42305f44f0b..984321c2100 100644
--- a/src/mesa/main/teximage.h
+++ b/src/mesa/main/teximage.h
@@ -336,6 +336,18 @@ _mesa_TexStorage3DMultisample(GLenum target, GLsizei samples,
                               GLsizei height, GLsizei depth,
                               GLboolean fixedsamplelocations);
 
+extern void GLAPIENTRY
+_mesa_ClearTexImage(GLuint texture, GLint level,
+                    GLenum format, GLenum type,
+                    const void *data);
+
+extern void GLAPIENTRY
+_mesa_ClearTexSubImage(GLuint texture, GLint level,
+                       GLint xoffset, GLint yoffset, GLint zoffset,
+                       GLsizei width, GLsizei height, GLsizei depth,
+                       GLenum format, GLenum type,
+                       const void *data);
+
 bool
 _mesa_compressed_texture_pixel_storage_error_check(struct gl_context *ctx,
                                              GLint dimensions,