[Mesa-dev] [PATCH 3/4] egl, dri_interface: use DRI2rendererQueryExtension to enable 3D textures & sRGB

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

---
 include/GL/internal/dri_interface.h |  5 +++++
 src/egl/drivers/dri2/egl_dri2.c     | 23 +++++++++++++++++++++++
 src/egl/drivers/dri2/egl_dri2.h     |  1 +
 3 files changed, 29 insertions(+)

diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index c827bb6..f04799a 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -1444,6 +1444,11 @@ typedef struct __DRIDriverVtableExtensionRec {
 #define __DRI2_RENDERER_OPENGL_COMPATIBILITY_PROFILE_VERSION  0x0008
 #define __DRI2_RENDERER_OPENGL_ES_PROFILE_VERSION             0x0009
 #define __DRI2_RENDERER_OPENGL_ES2_PROFILE_VERSION            0x000a
+#define __DRI2_RENDERER_HAS_TEXTURE_3D                        0x000b
+/* Whether there is an sRGB format support for every supported 32-bit UNORM
+ * color format.
+ */
+#define __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB                  0x000c
 
 typedef struct __DRI2rendererQueryExtensionRec __DRI2rendererQueryExtension;
 struct __DRI2rendererQueryExtensionRec {
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index c07d281..daeee89 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -525,6 +525,19 @@ dri2_load_driver_swrast(_EGLDisplay *disp)
    return EGL_TRUE;
 }
 
+static unsigned
+dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param)
+{
+   const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery;
+   unsigned int value = 0;
+
+   if (!rendererQuery ||
+       rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1)
+      return 0;
+
+   return value;
+}
+
 void
 dri2_setup_screen(_EGLDisplay *disp)
 {
@@ -555,6 +568,10 @@ dri2_setup_screen(_EGLDisplay *disp)
    disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
    disp->Extensions.MESA_configless_context = EGL_TRUE;
 
+   if (dri2_renderer_query_integer(dri2_dpy,
+                                   __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB))
+      disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
+
    if (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) {
       disp->Extensions.KHR_create_context = EGL_TRUE;
 
@@ -592,6 +609,9 @@ dri2_setup_screen(_EGLDisplay *disp)
          disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
          disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
       }
+      if (dri2_renderer_query_integer(dri2_dpy,
+                                      __DRI2_RENDERER_HAS_TEXTURE_3D))
+         disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
 #ifdef HAVE_LIBDRM
       if (dri2_dpy->image->base.version >= 8 &&
           dri2_dpy->image->createImageFromDmaBufs) {
@@ -669,6 +689,9 @@ dri2_create_screen(_EGLDisplay *disp)
       if (strcmp(extensions[i]->name, __DRI2_FENCE) == 0) {
          dri2_dpy->fence = (__DRI2fenceExtension *) extensions[i];
       }
+      if (strcmp(extensions[i]->name, __DRI2_RENDERER_QUERY) == 0) {
+         dri2_dpy->rendererQuery = (__DRI2rendererQueryExtension *) extensions[i];
+      }
    }
 
    dri2_setup_screen(disp);
diff --git a/src/egl/drivers/dri2/egl_dri2.h b/src/egl/drivers/dri2/egl_dri2.h
index 0dfbc75..9aa2a8c 100644
--- a/src/egl/drivers/dri2/egl_dri2.h
+++ b/src/egl/drivers/dri2/egl_dri2.h
@@ -166,6 +166,7 @@ struct dri2_egl_display
    const __DRIrobustnessExtension *robustness;
    const __DRI2configQueryExtension *config;
    const __DRI2fenceExtension *fence;
+   const __DRI2rendererQueryExtension *rendererQuery;
    int                       fd;
 
    int                       own_device;
-- 
2.1.0