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authorAdam Jackson <ajax@redhat.com>2015-05-15 11:27:31 -0400
committerAdam Jackson <ajax@redhat.com>2015-07-08 16:41:28 -0400
commit2d7194334a9f84e417ec90e220b2fe476f704612 (patch)
tree46f9a78699c3cb868e92b1e3eff3620ffb5b6231 /glx
parentcbd3cfbad3f07b20e90ea9498110f255813eb441 (diff)
glx/swrast: Do more GLX extension setup
This gets you nice things like core contexts when using Xvfb. Also, no, MESA_copy_sub_buffer is not enabled automatically. Reviewed-by: James Jones <jajones@nvidia.com> Reviewed-by: Jon Turney <jon.turney@dronecode.org.uk> Signed-off-by: Adam Jackson <ajax@redhat.com>
Diffstat (limited to 'glx')
-rw-r--r--glx/glxdriswrast.c37
1 files changed, 34 insertions, 3 deletions
diff --git a/glx/glxdriswrast.c b/glx/glxdriswrast.c
index 5d9aa0437..e25ca4768 100644
--- a/glx/glxdriswrast.c
+++ b/glx/glxdriswrast.c
@@ -71,6 +71,8 @@ struct __GLXDRIscreen {
const __DRIcopySubBufferExtension *copySubBuffer;
const __DRItexBufferExtension *texBuffer;
const __DRIconfig **driConfigs;
+
+ unsigned char glx_enable_bits[__GLX_EXT_BYTES];
};
struct __GLXDRIcontext {
@@ -394,21 +396,34 @@ initializeExtensions(__GLXDRIscreen * screen)
const __DRIextension **extensions;
int i;
+ if (screen->swrast->base.version >= 3) {
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_ARB_create_context");
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_ARB_create_context_profile");
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_EXT_create_context_es2_profile");
+ }
+
+ /* these are harmless to enable unconditionally */
+ __glXEnableExtension(screen->glx_enable_bits, "GLX_EXT_framebuffer_sRGB");
+ __glXEnableExtension(screen->glx_enable_bits, "GLX_ARB_fbconfig_float");
+ __glXEnableExtension(screen->glx_enable_bits, "GLX_SGI_make_current_read");
+
extensions = screen->core->getExtensions(screen->driScreen);
for (i = 0; extensions[i]; i++) {
if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) {
screen->copySubBuffer =
(const __DRIcopySubBufferExtension *) extensions[i];
- /* GLX_MESA_copy_sub_buffer is always enabled. */
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_MESA_copy_sub_buffer");
}
if (strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0) {
screen->texBuffer = (const __DRItexBufferExtension *) extensions[i];
/* GLX_EXT_texture_from_pixmap is always enabled. */
}
-
- /* Ignore unknown extensions */
}
}
@@ -420,6 +435,7 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
{
const char *driverName = "swrast";
__GLXDRIscreen *screen;
+ size_t buffer_size;
screen = calloc(1, sizeof *screen);
if (screen == NULL)
@@ -431,6 +447,8 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
screen->base.swapInterval = NULL;
screen->base.pScreen = pScreen;
+ __glXInitExtensionEnableBits(screen->glx_enable_bits);
+
screen->driver = glxProbeDriver(driverName,
(void **) &screen->core,
__DRI_CORE, 1,
@@ -459,6 +477,19 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
__glXScreenInit(&screen->base, pScreen);
+ /* The first call simply determines the length of the extension string.
+ * This allows us to allocate some memory to hold the extension string,
+ * but it requires that we call __glXGetExtensionString a second time.
+ */
+ buffer_size = __glXGetExtensionString(screen->glx_enable_bits, NULL);
+ if (buffer_size > 0) {
+ free(screen->base.GLXextensions);
+
+ screen->base.GLXextensions = xnfalloc(buffer_size);
+ (void) __glXGetExtensionString(screen->glx_enable_bits,
+ screen->base.GLXextensions);
+ }
+
screen->base.GLXmajor = 1;
screen->base.GLXminor = 4;