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Diffstat (limited to 'src/egl/drivers/dri2/egl_dri2.c')
-rw-r--r--src/egl/drivers/dri2/egl_dri2.c87
1 files changed, 76 insertions, 11 deletions
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 8dd1890ee07..56ebcb7c403 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -175,11 +175,7 @@ const __DRIswrastLoaderExtension swrast_pbuffer_loader_extension = {
static const EGLint dri2_to_egl_attribute_map[__DRI_ATTRIB_MAX] = {
[__DRI_ATTRIB_BUFFER_SIZE ] = EGL_BUFFER_SIZE,
[__DRI_ATTRIB_LEVEL] = EGL_LEVEL,
- [__DRI_ATTRIB_RED_SIZE] = EGL_RED_SIZE,
- [__DRI_ATTRIB_GREEN_SIZE] = EGL_GREEN_SIZE,
- [__DRI_ATTRIB_BLUE_SIZE] = EGL_BLUE_SIZE,
[__DRI_ATTRIB_LUMINANCE_SIZE] = EGL_LUMINANCE_SIZE,
- [__DRI_ATTRIB_ALPHA_SIZE] = EGL_ALPHA_SIZE,
[__DRI_ATTRIB_DEPTH_SIZE] = EGL_DEPTH_SIZE,
[__DRI_ATTRIB_STENCIL_SIZE] = EGL_STENCIL_SIZE,
[__DRI_ATTRIB_SAMPLE_BUFFERS] = EGL_SAMPLE_BUFFERS,
@@ -214,10 +210,39 @@ dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
return EGL_TRUE;
}
+void
+dri2_get_shifts_and_sizes(const __DRIcoreExtension *core,
+ const __DRIconfig *config, int *shifts,
+ unsigned int *sizes)
+{
+ unsigned int mask;
+
+ if (core->getConfigAttrib(config, __DRI_ATTRIB_RED_SHIFT, (unsigned int *)&shifts[0])) {
+ core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_SHIFT, (unsigned int *)&shifts[1]);
+ core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_SHIFT, (unsigned int *)&shifts[2]);
+ core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_SHIFT, (unsigned int *)&shifts[3]);
+ } else {
+ /* Driver isn't exposing shifts, so convert masks to shifts */
+ core->getConfigAttrib(config, __DRI_ATTRIB_RED_MASK, &mask);
+ shifts[0] = ffs(mask) - 1;
+ core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_MASK, &mask);
+ shifts[1] = ffs(mask) - 1;
+ core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_MASK, &mask);
+ shifts[2] = ffs(mask) - 1;
+ core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_MASK, &mask);
+ shifts[3] = ffs(mask) - 1;
+ }
+
+ core->getConfigAttrib(config, __DRI_ATTRIB_RED_SIZE, &sizes[0]);
+ core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_SIZE, &sizes[1]);
+ core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_SIZE, &sizes[2]);
+ core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_SIZE, &sizes[3]);
+}
+
struct dri2_egl_config *
dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
EGLint surface_type, const EGLint *attr_list,
- const unsigned int *rgba_masks)
+ const int *rgba_shifts, const unsigned int *rgba_sizes)
{
struct dri2_egl_config *conf;
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
@@ -225,7 +250,8 @@ dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
unsigned int attrib, value, double_buffer;
bool srgb = false;
EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
- unsigned int dri_masks[4] = { 0, 0, 0, 0 };
+ int dri_shifts[4] = { -1, -1, -1, -1 };
+ unsigned int dri_sizes[4] = { 0, 0, 0, 0 };
_EGLConfig *matching_config;
EGLint num_configs = 0;
EGLint config_id;
@@ -273,20 +299,56 @@ dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
double_buffer = value;
break;
+ case __DRI_ATTRIB_RED_SIZE:
+ dri_sizes[0] = value;
+ _eglSetConfigKey(&base, EGL_RED_SIZE, value);
+ break;
+
case __DRI_ATTRIB_RED_MASK:
- dri_masks[0] = value;
+ dri_shifts[0] = ffs(value) - 1;
+ break;
+
+ case __DRI_ATTRIB_RED_SHIFT:
+ dri_shifts[0] = value;
+ break;
+
+ case __DRI_ATTRIB_GREEN_SIZE:
+ dri_sizes[1] = value;
+ _eglSetConfigKey(&base, EGL_GREEN_SIZE, value);
break;
case __DRI_ATTRIB_GREEN_MASK:
- dri_masks[1] = value;
+ dri_shifts[1] = ffs(value) - 1;
+ break;
+
+ case __DRI_ATTRIB_GREEN_SHIFT:
+ dri_shifts[1] = value;
+ break;
+
+ case __DRI_ATTRIB_BLUE_SIZE:
+ dri_sizes[2] = value;
+ _eglSetConfigKey(&base, EGL_BLUE_SIZE, value);
break;
case __DRI_ATTRIB_BLUE_MASK:
- dri_masks[2] = value;
+ dri_shifts[2] = ffs(value) - 1;
+ break;
+
+ case __DRI_ATTRIB_BLUE_SHIFT:
+ dri_shifts[2] = value;
+ break;
+
+ case __DRI_ATTRIB_ALPHA_SIZE:
+ dri_sizes[3] = value;
+ _eglSetConfigKey(&base, EGL_ALPHA_SIZE, value);
break;
case __DRI_ATTRIB_ALPHA_MASK:
- dri_masks[3] = value;
+ dri_shifts[3] = ffs(value) - 1;
+ break;
+
+ case __DRI_ATTRIB_ALPHA_SHIFT:
+ dri_shifts[3] = value;
break;
case __DRI_ATTRIB_ACCUM_RED_SIZE:
@@ -328,7 +390,10 @@ dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
for (int i = 0; attr_list[i] != EGL_NONE; i += 2)
_eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
- if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks)))
+ if (rgba_shifts && memcmp(rgba_shifts, dri_shifts, sizeof(dri_shifts)))
+ return NULL;
+
+ if (rgba_sizes && memcmp(rgba_sizes, dri_sizes, sizeof(dri_sizes)))
return NULL;
base.NativeRenderable = EGL_TRUE;