From: Johann Rudloff <cypheon@googlemail.com>
Date: Tue, 27 Jul 2010 20:59:26 +0000 (+0200)
Subject: radeon: Implement EGL_MESA_no_surface_extension
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f9b5201dbdca4a612afdd694a583177fb4af8685;p=mesa.git

radeon: Implement EGL_MESA_no_surface_extension
---

diff --git a/src/mesa/drivers/dri/radeon/radeon_common.c b/src/mesa/drivers/dri/radeon/radeon_common.c
index 43a6355ad8b..7361adffcf7 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common.c
@@ -171,6 +171,10 @@ void radeonSetCliprects(radeonContextPtr radeon)
 {
 	__DRIdrawable *const drawable = radeon_get_drawable(radeon);
 	__DRIdrawable *const readable = radeon_get_readable(radeon);
+
+	if(drawable == NULL && readable == NULL)
+		return;
+
 	struct radeon_framebuffer *const draw_rfb = drawable->driverPrivate;
 	struct radeon_framebuffer *const read_rfb = readable->driverPrivate;
 	int x_off, y_off;
diff --git a/src/mesa/drivers/dri/radeon/radeon_common_context.c b/src/mesa/drivers/dri/radeon/radeon_common_context.c
index 1047dfae0b3..a436ec112cc 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common_context.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common_context.c
@@ -39,6 +39,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "drirenderbuffer.h"
 #include "drivers/common/meta.h"
 #include "main/context.h"
+#include "main/framebuffer.h"
 #include "main/renderbuffer.h"
 #include "main/state.h"
 #include "main/simple_list.h"
@@ -379,12 +380,12 @@ GLboolean radeonUnbindContext(__DRIcontext * driContextPriv)
 
 static void
 radeon_make_kernel_renderbuffer_current(radeonContextPtr radeon,
-					struct radeon_framebuffer *draw)
+					struct gl_framebuffer *draw)
 {
 	/* if radeon->fake */
 	struct radeon_renderbuffer *rb;
 
-	if ((rb = (void *)draw->base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer)) {
+	if ((rb = (void *)draw->Attachment[BUFFER_FRONT_LEFT].Renderbuffer)) {
 		if (!rb->bo) {
 			rb->bo = radeon_bo_open(radeon->radeonScreen->bom,
 						radeon->radeonScreen->frontOffset,
@@ -396,7 +397,7 @@ radeon_make_kernel_renderbuffer_current(radeonContextPtr radeon,
 		rb->cpp = radeon->radeonScreen->cpp;
 		rb->pitch = radeon->radeonScreen->frontPitch * rb->cpp;
 	}
-	if ((rb = (void *)draw->base.Attachment[BUFFER_BACK_LEFT].Renderbuffer)) {
+	if ((rb = (void *)draw->Attachment[BUFFER_BACK_LEFT].Renderbuffer)) {
 		if (!rb->bo) {
 			rb->bo = radeon_bo_open(radeon->radeonScreen->bom,
 						radeon->radeonScreen->backOffset,
@@ -408,7 +409,7 @@ radeon_make_kernel_renderbuffer_current(radeonContextPtr radeon,
 		rb->cpp = radeon->radeonScreen->cpp;
 		rb->pitch = radeon->radeonScreen->backPitch * rb->cpp;
 	}
-	if ((rb = (void *)draw->base.Attachment[BUFFER_DEPTH].Renderbuffer)) {
+	if ((rb = (void *)draw->Attachment[BUFFER_DEPTH].Renderbuffer)) {
 		if (!rb->bo) {
 			rb->bo = radeon_bo_open(radeon->radeonScreen->bom,
 						radeon->radeonScreen->depthOffset,
@@ -420,7 +421,7 @@ radeon_make_kernel_renderbuffer_current(radeonContextPtr radeon,
 		rb->cpp = radeon->radeonScreen->cpp;
 		rb->pitch = radeon->radeonScreen->depthPitch * rb->cpp;
 	}
-	if ((rb = (void *)draw->base.Attachment[BUFFER_STENCIL].Renderbuffer)) {
+	if ((rb = (void *)draw->Attachment[BUFFER_STENCIL].Renderbuffer)) {
 		if (!rb->bo) {
 			rb->bo = radeon_bo_open(radeon->radeonScreen->bom,
 						radeon->radeonScreen->depthOffset,
@@ -436,7 +437,7 @@ radeon_make_kernel_renderbuffer_current(radeonContextPtr radeon,
 
 static void
 radeon_make_renderbuffer_current(radeonContextPtr radeon,
-				 struct radeon_framebuffer *draw)
+				 struct gl_framebuffer *draw)
 {
 	int size = 4096*4096*4;
 	/* if radeon->fake */
@@ -448,7 +449,7 @@ radeon_make_renderbuffer_current(radeonContextPtr radeon,
 	}
 
 
-	if ((rb = (void *)draw->base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer)) {
+	if ((rb = (void *)draw->Attachment[BUFFER_FRONT_LEFT].Renderbuffer)) {
 		if (!rb->bo) {
 			rb->bo = radeon_bo_open(radeon->radeonScreen->bom,
 						radeon->radeonScreen->frontOffset +
@@ -461,7 +462,7 @@ radeon_make_renderbuffer_current(radeonContextPtr radeon,
 		rb->cpp = radeon->radeonScreen->cpp;
 		rb->pitch = radeon->radeonScreen->frontPitch * rb->cpp;
 	}
-	if ((rb = (void *)draw->base.Attachment[BUFFER_BACK_LEFT].Renderbuffer)) {
+	if ((rb = (void *)draw->Attachment[BUFFER_BACK_LEFT].Renderbuffer)) {
 		if (!rb->bo) {
 			rb->bo = radeon_bo_open(radeon->radeonScreen->bom,
 						radeon->radeonScreen->backOffset +
@@ -474,7 +475,7 @@ radeon_make_renderbuffer_current(radeonContextPtr radeon,
 		rb->cpp = radeon->radeonScreen->cpp;
 		rb->pitch = radeon->radeonScreen->backPitch * rb->cpp;
 	}
-	if ((rb = (void *)draw->base.Attachment[BUFFER_DEPTH].Renderbuffer)) {
+	if ((rb = (void *)draw->Attachment[BUFFER_DEPTH].Renderbuffer)) {
 		if (!rb->bo) {
 			rb->bo = radeon_bo_open(radeon->radeonScreen->bom,
 						radeon->radeonScreen->depthOffset +
@@ -487,7 +488,7 @@ radeon_make_renderbuffer_current(radeonContextPtr radeon,
 		rb->cpp = radeon->radeonScreen->cpp;
 		rb->pitch = radeon->radeonScreen->depthPitch * rb->cpp;
 	}
-	if ((rb = (void *)draw->base.Attachment[BUFFER_STENCIL].Renderbuffer)) {
+	if ((rb = (void *)draw->Attachment[BUFFER_STENCIL].Renderbuffer)) {
 		if (!rb->bo) {
 			rb->bo = radeon_bo_open(radeon->radeonScreen->bom,
 						radeon->radeonScreen->depthOffset +
@@ -793,8 +794,8 @@ GLboolean radeonMakeCurrent(__DRIcontext * driContextPriv,
 			    __DRIdrawable * driReadPriv)
 {
 	radeonContextPtr radeon;
-	struct radeon_framebuffer *drfb;
-	struct gl_framebuffer *readfb;
+	struct radeon_framebuffer *rdrfb;
+	struct gl_framebuffer *drfb, *readfb;
 
 	if (!driContextPriv) {
 		if (RADEON_DEBUG & RADEON_DRI)
@@ -804,17 +805,25 @@ GLboolean radeonMakeCurrent(__DRIcontext * driContextPriv,
 	}
 
 	radeon = (radeonContextPtr) driContextPriv->driverPrivate;
-	drfb = driDrawPriv->driverPrivate;
-	readfb = driReadPriv->driverPrivate;
+
+	if(driDrawPriv == NULL && driReadPriv == NULL) {
+		drfb = _mesa_create_framebuffer(&radeon->glCtx->Visual);
+		readfb = drfb;
+	}
+	else {
+		drfb = driDrawPriv->driverPrivate;
+		readfb = driReadPriv->driverPrivate;
+	}
 
 	if (driContextPriv->driScreenPriv->dri2.enabled) {
-		radeon_update_renderbuffers(driContextPriv, driDrawPriv, GL_FALSE);
+		if(driDrawPriv)
+			radeon_update_renderbuffers(driContextPriv, driDrawPriv, GL_FALSE);
 		if (driDrawPriv != driReadPriv)
 			radeon_update_renderbuffers(driContextPriv, driReadPriv, GL_FALSE);
 		_mesa_reference_renderbuffer(&radeon->state.color.rb,
-			&(radeon_get_renderbuffer(&drfb->base, BUFFER_BACK_LEFT)->base));
+			&(radeon_get_renderbuffer(drfb, BUFFER_BACK_LEFT)->base));
 		_mesa_reference_renderbuffer(&radeon->state.depth.rb,
-			&(radeon_get_renderbuffer(&drfb->base, BUFFER_DEPTH)->base));
+			&(radeon_get_renderbuffer(drfb, BUFFER_DEPTH)->base));
 	} else {
 		radeon_make_renderbuffer_current(radeon, drfb);
 	}
@@ -822,35 +831,40 @@ GLboolean radeonMakeCurrent(__DRIcontext * driContextPriv,
 	if (RADEON_DEBUG & RADEON_DRI)
 	     fprintf(stderr, "%s ctx %p dfb %p rfb %p\n", __FUNCTION__, radeon->glCtx, drfb, readfb);
 
-	driUpdateFramebufferSize(radeon->glCtx, driDrawPriv);
+	if(driDrawPriv)
+		driUpdateFramebufferSize(radeon->glCtx, driDrawPriv);
 	if (driReadPriv != driDrawPriv)
 		driUpdateFramebufferSize(radeon->glCtx, driReadPriv);
 
-	_mesa_make_current(radeon->glCtx, &drfb->base, readfb);
+	_mesa_make_current(radeon->glCtx, drfb, readfb);
+	if (driDrawPriv == NULL && driReadPriv == NULL)
+		_mesa_reference_framebuffer(&drfb, NULL);
 
 	_mesa_update_state(radeon->glCtx);
 
-	if (radeon->glCtx->DrawBuffer == &drfb->base) {
-		if (driDrawPriv->swap_interval == (unsigned)-1) {
-			int i;
-			driDrawPriv->vblFlags =
-				(radeon->radeonScreen->irq != 0)
-				? driGetDefaultVBlankFlags(&radeon->
-							   optionCache)
-				: VBLANK_FLAG_NO_IRQ;
-
-			driDrawableInitVBlank(driDrawPriv);
-			drfb->vbl_waited = driDrawPriv->vblSeq;
-
-			for (i = 0; i < 2; i++) {
-				if (drfb->color_rb[i])
-					drfb->color_rb[i]->vbl_pending = driDrawPriv->vblSeq;
+	if (radeon->glCtx->DrawBuffer == drfb) {
+		if(driDrawPriv != NULL) {
+			rdrfb = (struct radeon_framebuffer *)drfb;
+			if (driDrawPriv->swap_interval == (unsigned)-1) {
+				int i;
+				driDrawPriv->vblFlags =
+					(radeon->radeonScreen->irq != 0)
+					? driGetDefaultVBlankFlags(&radeon->
+								   optionCache)
+					: VBLANK_FLAG_NO_IRQ;
+
+				driDrawableInitVBlank(driDrawPriv);
+				rdrfb->vbl_waited = driDrawPriv->vblSeq;
+
+				for (i = 0; i < 2; i++) {
+					if (rdrfb->color_rb[i])
+						rdrfb->color_rb[i]->vbl_pending = driDrawPriv->vblSeq;
+				}
 			}
-
+			radeon_window_moved(radeon);
 		}
 
-		radeon_window_moved(radeon);
-		radeon_draw_buffer(radeon->glCtx, &drfb->base);
+		radeon_draw_buffer(radeon->glCtx, drfb);
 	}