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-rw-r--r--src/glsl/glcpp/glcpp-parse.y1
-rw-r--r--src/glsl/glsl_parser_extras.cpp1
-rw-r--r--src/glsl/glsl_parser_extras.h2
-rw-r--r--src/mapi/glapi/gen/es_EXT.xml9
-rw-r--r--src/mesa/main/buffers.c6
-rw-r--r--src/mesa/main/extensions.c1
6 files changed, 18 insertions, 2 deletions
diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y
index 9b1a4f40112..9e705ef0741 100644
--- a/src/glsl/glcpp/glcpp-parse.y
+++ b/src/glsl/glcpp/glcpp-parse.y
@@ -2375,6 +2375,7 @@ _glcpp_parser_handle_version_declaration(glcpp_parser_t *parser, intmax_t versio
if (parser->is_gles) {
add_builtin_define(parser, "GL_ES", 1);
add_builtin_define(parser, "GL_EXT_separate_shader_objects", 1);
+ add_builtin_define(parser, "GL_EXT_draw_buffers", 1);
if (extensions != NULL) {
if (extensions->OES_EGL_image_external)
diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp
index 27e2eaf372f..6d18cd493cc 100644
--- a/src/glsl/glsl_parser_extras.cpp
+++ b/src/glsl/glsl_parser_extras.cpp
@@ -561,6 +561,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
EXT(AMD_shader_trinary_minmax, true, false, dummy_true),
EXT(AMD_vertex_shader_layer, true, false, AMD_vertex_shader_layer),
EXT(AMD_vertex_shader_viewport_index, true, false, AMD_vertex_shader_viewport_index),
+ EXT(EXT_draw_buffers, false, true, dummy_true),
EXT(EXT_separate_shader_objects, false, true, dummy_true),
EXT(EXT_shader_integer_mix, true, true, EXT_shader_integer_mix),
EXT(EXT_texture_array, true, false, EXT_texture_array),
diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h
index e04f7ced565..4887672233b 100644
--- a/src/glsl/glsl_parser_extras.h
+++ b/src/glsl/glsl_parser_extras.h
@@ -473,6 +473,8 @@ struct _mesa_glsl_parse_state {
bool AMD_vertex_shader_layer_warn;
bool AMD_vertex_shader_viewport_index_enable;
bool AMD_vertex_shader_viewport_index_warn;
+ bool EXT_draw_buffers_enable;
+ bool EXT_draw_buffers_warn;
bool EXT_separate_shader_objects_enable;
bool EXT_separate_shader_objects_warn;
bool EXT_shader_integer_mix_enable;
diff --git a/src/mapi/glapi/gen/es_EXT.xml b/src/mapi/glapi/gen/es_EXT.xml
index e2dc39021c8..3a2adeb0491 100644
--- a/src/mapi/glapi/gen/es_EXT.xml
+++ b/src/mapi/glapi/gen/es_EXT.xml
@@ -837,4 +837,13 @@
</function>
</category>
+<!-- 151. GL_EXT_draw_buffers -->
+<category name="GL_EXT_draw_buffers" number="151">
+ <function name="DrawBuffersEXT" alias="DrawBuffers"
+ static_dispatch="false" es2="2.0">
+ <param name="n" type="GLsizei" counter="true"/>
+ <param name="bufs" type="const GLenum *" count="n"/>
+ </function>
+</category>
+
</OpenGLAPI>
diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c
index 1ee20098d38..49157f7fdf4 100644
--- a/src/mesa/main/buffers.c
+++ b/src/mesa/main/buffers.c
@@ -326,8 +326,9 @@ _mesa_DrawBuffers(GLsizei n, const GLenum *buffers)
/* From the ES 3.0 specification, page 180:
* "If the GL is bound to the default framebuffer, then n must be 1
* and the constant must be BACK or NONE."
+ * (same restriction applies with GL_EXT_draw_buffers specification)
*/
- if (_mesa_is_gles3(ctx) && _mesa_is_winsys_fbo(ctx->DrawBuffer) &&
+ if (ctx->API == API_OPENGLES2 && _mesa_is_winsys_fbo(ctx->DrawBuffer) &&
(n != 1 || (buffers[0] != GL_NONE && buffers[0] != GL_BACK))) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffers(buffer)");
return;
@@ -399,8 +400,9 @@ _mesa_DrawBuffers(GLsizei n, const GLenum *buffers)
/* ES 3.0 is even more restrictive. From the ES 3.0 spec, page 180:
* "If the GL is bound to a framebuffer object, the ith buffer listed
* in bufs must be COLOR_ATTACHMENTi or NONE. [...] INVALID_OPERATION."
+ * (same restriction applies with GL_EXT_draw_buffers specification)
*/
- if (_mesa_is_gles3(ctx) && _mesa_is_user_fbo(ctx->DrawBuffer) &&
+ if (ctx->API == API_OPENGLES2 && _mesa_is_user_fbo(ctx->DrawBuffer) &&
buffers[output] != GL_NONE &&
buffers[output] != GL_COLOR_ATTACHMENT0 + output) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffers(buffer)");
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 4fa9d1a26b1..e5bac7f894a 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -213,6 +213,7 @@ static const struct extension extension_table[] = {
{ "GL_EXT_compiled_vertex_array", o(dummy_true), GLL, 1996 },
{ "GL_EXT_copy_texture", o(dummy_true), GLL, 1995 },
{ "GL_EXT_depth_bounds_test", o(EXT_depth_bounds_test), GL, 2002 },
+ { "GL_EXT_draw_buffers", o(dummy_true), ES2, 2012 },
{ "GL_EXT_draw_buffers2", o(EXT_draw_buffers2), GL, 2006 },
{ "GL_EXT_draw_instanced", o(ARB_draw_instanced), GL, 2006 },
{ "GL_EXT_draw_range_elements", o(dummy_true), GLL, 1997 },