Mesa (master): st/dri: Add support for GLX_EXT_texture_from_pixmap with direct rendering.
Michel Dänzer
daenzer at kemper.freedesktop.org
Thu Aug 13 18:25:37 UTC 2009
Module: Mesa
Branch: master
Commit: ace98f09e6e77bba33dd1789506676059bba8e9b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ace98f09e6e77bba33dd1789506676059bba8e9b
Author: Michel Dänzer <daenzer at vmware.com>
Date: Thu Aug 13 20:24:09 2009 +0200
st/dri: Add support for GLX_EXT_texture_from_pixmap with direct rendering.
---
src/gallium/state_trackers/dri/dri_drawable.c | 24 ++++++++++++++++++++++++
src/gallium/state_trackers/dri/dri_drawable.h | 6 ++++++
src/gallium/state_trackers/dri/dri_screen.c | 7 +++++++
3 files changed, 37 insertions(+), 0 deletions(-)
diff --git a/src/gallium/state_trackers/dri/dri_drawable.c b/src/gallium/state_trackers/dri/dri_drawable.c
index 1d91fbb..0a952f7 100644
--- a/src/gallium/state_trackers/dri/dri_drawable.c
+++ b/src/gallium/state_trackers/dri/dri_drawable.c
@@ -204,6 +204,30 @@ dri_get_buffers(__DRIdrawablePrivate * dPriv)
st_resize_framebuffer(drawable->stfb, dri_drawable->w, dri_drawable->h);
}
+/**
+ * These are used for GLX_EXT_texture_from_pixmap
+ */
+void dri2_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target,
+ GLint format, __DRIdrawable *dPriv)
+{
+ struct dri_drawable *drawable = dri_drawable(dPriv);
+ struct pipe_surface *ps;
+
+ dri_get_buffers(drawable->dPriv);
+ st_get_framebuffer_surface(drawable->stfb, ST_SURFACE_FRONT_LEFT, &ps);
+
+ st_bind_texture_surface(ps, target == GL_TEXTURE_2D ? ST_TEXTURE_2D :
+ ST_TEXTURE_RECT, 0,
+ format == GLX_TEXTURE_FORMAT_RGBA_EXT ?
+ PIPE_FORMAT_R8G8B8A8_UNORM : PIPE_FORMAT_R8G8B8X8_UNORM);
+}
+
+void dri2_set_tex_buffer(__DRIcontext *pDRICtx, GLint target,
+ __DRIdrawable *dPriv)
+{
+ dri2_set_tex_buffer2(pDRICtx, target, GLX_TEXTURE_FORMAT_RGBA_EXT, dPriv);
+}
+
void
dri_flush_frontbuffer(struct pipe_screen *screen,
struct pipe_surface *surf, void *context_private)
diff --git a/src/gallium/state_trackers/dri/dri_drawable.h b/src/gallium/state_trackers/dri/dri_drawable.h
index 2fbd5f1..dfd0b87 100644
--- a/src/gallium/state_trackers/dri/dri_drawable.h
+++ b/src/gallium/state_trackers/dri/dri_drawable.h
@@ -91,6 +91,12 @@ void dri_get_buffers(__DRIdrawablePrivate * dPriv);
void dri_destroy_buffer(__DRIdrawablePrivate * dPriv);
+void dri2_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target,
+ GLint glx_texture_format, __DRIdrawable *dPriv);
+
+void dri2_set_tex_buffer(__DRIcontext *pDRICtx, GLint target,
+ __DRIdrawable *dPriv);
+
void
dri1_update_drawables(struct dri_context *ctx,
struct dri_drawable *draw, struct dri_drawable *read);
diff --git a/src/gallium/state_trackers/dri/dri_screen.c b/src/gallium/state_trackers/dri/dri_screen.c
index 5f78b72..2555512 100644
--- a/src/gallium/state_trackers/dri/dri_screen.c
+++ b/src/gallium/state_trackers/dri/dri_screen.c
@@ -57,12 +57,19 @@ PUBLIC const char __driConfigOptions[] =
const uint __driNConfigOptions = 3;
+static const __DRItexBufferExtension dri2TexBufferExtension = {
+ { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
+ dri2_set_tex_buffer,
+ dri2_set_tex_buffer2,
+};
+
static const __DRIextension *dri_screen_extensions[] = {
&driReadDrawableExtension,
&driCopySubBufferExtension.base,
&driSwapControlExtension.base,
&driFrameTrackingExtension.base,
&driMediaStreamCounterExtension.base,
+ &dri2TexBufferExtension.base,
NULL
};
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