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-rw-r--r--src/mesa/main/formatquery.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/src/mesa/main/formatquery.c b/src/mesa/main/formatquery.c
index bb9267145a7..1a9d86ce56f 100644
--- a/src/mesa/main/formatquery.c
+++ b/src/mesa/main/formatquery.c
@@ -256,6 +256,112 @@ _legal_parameters(struct gl_context *ctx, GLenum target, GLenum internalformat,
return true;
}
+/* Sets the appropriate "unsupported" response as defined by the
+ * ARB_internalformat_query2 spec for each each <pname>.
+ */
+static void
+_set_default_response(GLenum pname, GLint buffer[16])
+{
+ /* The ARB_internalformat_query2 defines which is the reponse best
+ * representing "not supported" or "not applicable" for each <pname>.
+ *
+ * " In general:
+ * - size- or count-based queries will return zero,
+ * - support-, format- or type-based queries will return NONE,
+ * - boolean-based queries will return FALSE, and
+ * - list-based queries return no entries."
+ */
+ switch(pname) {
+ case GL_SAMPLES:
+ break;
+
+ case GL_MAX_COMBINED_DIMENSIONS:
+ case GL_NUM_SAMPLE_COUNTS:
+ case GL_INTERNALFORMAT_RED_SIZE:
+ case GL_INTERNALFORMAT_GREEN_SIZE:
+ case GL_INTERNALFORMAT_BLUE_SIZE:
+ case GL_INTERNALFORMAT_ALPHA_SIZE:
+ case GL_INTERNALFORMAT_DEPTH_SIZE:
+ case GL_INTERNALFORMAT_STENCIL_SIZE:
+ case GL_INTERNALFORMAT_SHARED_SIZE:
+ case GL_MAX_WIDTH:
+ case GL_MAX_HEIGHT:
+ case GL_MAX_DEPTH:
+ case GL_MAX_LAYERS:
+ case GL_IMAGE_TEXEL_SIZE:
+ case GL_TEXTURE_COMPRESSED_BLOCK_WIDTH:
+ case GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT:
+ case GL_TEXTURE_COMPRESSED_BLOCK_SIZE:
+ buffer[0] = 0;
+ break;
+
+ case GL_INTERNALFORMAT_PREFERRED:
+ case GL_INTERNALFORMAT_RED_TYPE:
+ case GL_INTERNALFORMAT_GREEN_TYPE:
+ case GL_INTERNALFORMAT_BLUE_TYPE:
+ case GL_INTERNALFORMAT_ALPHA_TYPE:
+ case GL_INTERNALFORMAT_DEPTH_TYPE:
+ case GL_INTERNALFORMAT_STENCIL_TYPE:
+ case GL_FRAMEBUFFER_RENDERABLE:
+ case GL_FRAMEBUFFER_RENDERABLE_LAYERED:
+ case GL_FRAMEBUFFER_BLEND:
+ case GL_READ_PIXELS:
+ case GL_READ_PIXELS_FORMAT:
+ case GL_READ_PIXELS_TYPE:
+ case GL_TEXTURE_IMAGE_FORMAT:
+ case GL_TEXTURE_IMAGE_TYPE:
+ case GL_GET_TEXTURE_IMAGE_FORMAT:
+ case GL_GET_TEXTURE_IMAGE_TYPE:
+ case GL_MANUAL_GENERATE_MIPMAP:
+ case GL_AUTO_GENERATE_MIPMAP:
+ case GL_COLOR_ENCODING:
+ case GL_SRGB_READ:
+ case GL_SRGB_WRITE:
+ case GL_SRGB_DECODE_ARB:
+ case GL_FILTER:
+ case GL_VERTEX_TEXTURE:
+ case GL_TESS_CONTROL_TEXTURE:
+ case GL_TESS_EVALUATION_TEXTURE:
+ case GL_GEOMETRY_TEXTURE:
+ case GL_FRAGMENT_TEXTURE:
+ case GL_COMPUTE_TEXTURE:
+ case GL_TEXTURE_SHADOW:
+ case GL_TEXTURE_GATHER:
+ case GL_TEXTURE_GATHER_SHADOW:
+ case GL_SHADER_IMAGE_LOAD:
+ case GL_SHADER_IMAGE_STORE:
+ case GL_SHADER_IMAGE_ATOMIC:
+ case GL_IMAGE_COMPATIBILITY_CLASS:
+ case GL_IMAGE_PIXEL_FORMAT:
+ case GL_IMAGE_PIXEL_TYPE:
+ case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
+ case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST:
+ case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST:
+ case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE:
+ case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE:
+ case GL_CLEAR_BUFFER:
+ case GL_TEXTURE_VIEW:
+ case GL_VIEW_COMPATIBILITY_CLASS:
+ buffer[0] = GL_NONE;
+ break;
+
+ case GL_INTERNALFORMAT_SUPPORTED:
+ case GL_COLOR_COMPONENTS:
+ case GL_DEPTH_COMPONENTS:
+ case GL_STENCIL_COMPONENTS:
+ case GL_COLOR_RENDERABLE:
+ case GL_DEPTH_RENDERABLE:
+ case GL_STENCIL_RENDERABLE:
+ case GL_MIPMAP:
+ case GL_TEXTURE_COMPRESSED:
+ buffer[0] = GL_FALSE;
+ break;
+
+ default:
+ unreachable("invalid 'pname'");
+ }
+}
+
/* default implementation of QueryInternalFormat driverfunc, for
* drivers not implementing ARB_internalformat_query2.
*/