1 files changed, 113 insertions, 44 deletions

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_context.c b/src/mesa/drivers/dri/nouveau/nouveau_context.c
index b87b8dbdd0..502e01255c 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_context.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_context.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009 Francisco Jerez.
+ * Copyright (C) 2009-2010 Francisco Jerez.
  * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining
@@ -36,26 +36,43 @@
 #include "drivers/common/meta.h"
 #include "drivers/common/driverfuncs.h"
 #include "swrast/swrast.h"
+#include "swrast/s_context.h"
 #include "vbo/vbo.h"
 #include "tnl/tnl.h"
+#include "tnl/t_context.h"
 
 #define need_GL_EXT_framebuffer_object
 #define need_GL_EXT_fog_coord
+#define need_GL_EXT_secondary_color
 
 #include "main/remap_helper.h"
 
 static const struct dri_extension nouveau_extensions[] = {
-	{ "GL_EXT_framebuffer_object",  GL_EXT_framebuffer_object_functions },
 	{ "GL_ARB_multitexture",	NULL },
-	{ "GL_EXT_texture_lod_bias",	NULL },
-	{ "GL_SGIS_generate_mipmap",	NULL },
+	{ "GL_ARB_texture_env_add",	NULL },
 	{ "GL_ARB_texture_env_combine",	NULL },
 	{ "GL_ARB_texture_env_dot3",	NULL },
-	{ "GL_ARB_texture_env_add",	NULL },
+	{ "GL_ARB_texture_mirrored_repeat", NULL },
 	{ "GL_EXT_fog_coord",		GL_EXT_fog_coord_functions },
+	{ "GL_EXT_framebuffer_object",	GL_EXT_framebuffer_object_functions },
+	{ "GL_EXT_secondary_color",	GL_EXT_secondary_color_functions },
+	{ "GL_EXT_stencil_wrap",	NULL },
+	{ "GL_EXT_texture_lod_bias",	NULL },
+	{ "GL_NV_blend_square",         NULL },
+	{ "GL_SGIS_generate_mipmap",	NULL },
 	{ NULL,				NULL }
 };
 
+static void
+nouveau_channel_flush_notify(struct nouveau_channel *chan)
+{
+	struct nouveau_context *nctx = chan->user_private;
+	GLcontext *ctx = &nctx->base;
+
+	if (nctx->fallback < SWRAST && ctx->DrawBuffer)
+		nouveau_state_emit(&nctx->base);
+}
+
 GLboolean
 nouveau_context_create(const __GLcontextModes *visual, __DRIcontext *dri_ctx,
 		       void *share_ctx)
@@ -82,18 +99,19 @@ nouveau_context_init(GLcontext *ctx, struct nouveau_screen *screen,
 {
 	struct nouveau_context *nctx = to_nouveau_context(ctx);
 	struct dd_function_table functions;
+	int ret;
 
 	nctx->screen = screen;
 	nctx->fallback = HWTNL;
 
-	/* Initialize the function pointers */
+	/* Initialize the function pointers. */
 	_mesa_init_driver_functions(&functions);
 	nouveau_driver_functions_init(&functions);
 	nouveau_bufferobj_functions_init(&functions);
 	nouveau_texture_functions_init(&functions);
 	nouveau_fbo_functions_init(&functions);
 
-	/* Initialize the mesa context */
+	/* Initialize the mesa context. */
 	_mesa_initialize_context(ctx, visual, share_ctx, &functions, NULL);
 
 	nouveau_state_init(ctx);
@@ -105,41 +123,70 @@ nouveau_context_init(GLcontext *ctx, struct nouveau_screen *screen,
 	nouveau_span_functions_init(ctx);
 	_mesa_allow_light_in_model(ctx, GL_FALSE);
 
-	/* Enable any supported extensions */
+	/* Allocate a hardware channel. */
+	ret = nouveau_channel_alloc(context_dev(ctx), 0xbeef0201, 0xbeef0202,
+				    &nctx->hw.chan);
+	if (ret) {
+		nouveau_error("Error initializing the FIFO.\n");
+		return GL_FALSE;
+	}
+
+	nctx->hw.chan->flush_notify = nouveau_channel_flush_notify;
+	nctx->hw.chan->user_private = nctx;
+
+	/* Enable any supported extensions. */
 	driInitExtensions(ctx, nouveau_extensions, GL_TRUE);
 
 	return GL_TRUE;
 }
 
 void
+nouveau_context_deinit(GLcontext *ctx)
+{
+	struct nouveau_context *nctx = to_nouveau_context(ctx);
+
+	if (TNL_CONTEXT(ctx))
+		_tnl_DestroyContext(ctx);
+
+	if (vbo_context(ctx))
+		_vbo_DestroyContext(ctx);
+
+	if (SWRAST_CONTEXT(ctx))
+		_swrast_DestroyContext(ctx);
+
+	if (ctx->Meta)
+		_mesa_meta_free(ctx);
+
+	if (nctx->hw.chan)
+		nouveau_channel_free(&nctx->hw.chan);
+
+	nouveau_bo_state_destroy(ctx);
+	_mesa_free_context_data(ctx);
+}
+
+void
 nouveau_context_destroy(__DRIcontext *dri_ctx)
 {
 	struct nouveau_context *nctx = dri_ctx->driverPrivate;
 	GLcontext *ctx = &nctx->base;
 
-	if (nctx->screen->context == nctx)
-		nctx->screen->context = NULL;
-
-	_tnl_DestroyContext(ctx);
-	_vbo_DestroyContext(ctx);
-	_swrast_DestroyContext(ctx);
-	_mesa_meta_free(ctx);
-	nouveau_bo_state_destroy(ctx);
 	context_drv(ctx)->context_destroy(ctx);
 }
 
-static void
-nouveau_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable,
-			     unsigned int *stamp)
+void
+nouveau_update_renderbuffers(__DRIcontext *dri_ctx, __DRIdrawable *draw)
 {
-	struct nouveau_context *nctx = context->driverPrivate;
-	GLcontext *ctx = &nctx->base;
-	__DRIscreen *screen = context->driScreenPriv;
-	struct gl_framebuffer *fb = drawable->driverPrivate;
+	GLcontext *ctx = dri_ctx->driverPrivate;
+	__DRIscreen *screen = dri_ctx->driScreenPriv;
+	struct gl_framebuffer *fb = draw->driverPrivate;
 	unsigned int attachments[10];
 	__DRIbuffer *buffers = NULL;
 	int i = 0, count, ret;
 
+	if (draw->lastStamp == *draw->pStamp)
+		return;
+	draw->lastStamp = *draw->pStamp;
+
 	attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
 	if (fb->Visual.doubleBufferMode)
 		attachments[i++] = __DRI_BUFFER_BACK_LEFT;
@@ -150,10 +197,9 @@ nouveau_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable,
 	else if (fb->Visual.haveStencilBuffer)
 		attachments[i++] = __DRI_BUFFER_STENCIL;
 
-	buffers = (*screen->dri2.loader->getBuffers)(drawable,
-						     &drawable->w, &drawable->h,
+	buffers = (*screen->dri2.loader->getBuffers)(draw, &draw->w, &draw->h,
 						     attachments, i, &count,
-						     drawable->loaderPrivate);
+						     draw->loaderPrivate);
 	if (buffers == NULL)
 		return;
 
@@ -185,8 +231,8 @@ nouveau_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable,
 		rb = fb->Attachment[index].Renderbuffer;
 		s = &to_nouveau_renderbuffer(rb)->surface;
 
-		s->width = drawable->w;
-		s->height = drawable->h;
+		s->width = draw->w;
+		s->height = draw->h;
 		s->pitch = buffers[i].pitch;
 		s->cpp = buffers[i].cpp;
 
@@ -202,12 +248,25 @@ nouveau_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable,
 			ret = nouveau_bo_handle_ref(context_dev(ctx),
 						    buffers[i].name, &s->bo);
 			assert(!ret);
-
-			context_dirty(ctx, FRAMEBUFFER);
 		}
 	}
 
-	_mesa_resize_framebuffer(ctx, fb, drawable->w, drawable->h);
+	_mesa_resize_framebuffer(NULL, fb, draw->w, draw->h);
+}
+
+static void
+update_framebuffer(__DRIcontext *dri_ctx, __DRIdrawable *draw,
+		   int *stamp)
+{
+	GLcontext *ctx = dri_ctx->driverPrivate;
+	struct gl_framebuffer *fb = draw->driverPrivate;
+
+	*stamp = *draw->pStamp;
+
+	nouveau_update_renderbuffers(dri_ctx, draw);
+	_mesa_resize_framebuffer(ctx, fb, draw->w, draw->h);
+
+	context_dirty(ctx, FRAMEBUFFER);
 }
 
 GLboolean
@@ -218,17 +277,15 @@ nouveau_context_make_current(__DRIcontext *dri_ctx, __DRIdrawable *dri_draw,
 		struct nouveau_context *nctx = dri_ctx->driverPrivate;
 		GLcontext *ctx = &nctx->base;
 
-		if (nctx->screen->context != nctx) {
-			nctx->screen->context = nctx;
-			BITSET_ONES(nctx->dirty);
-		}
-
 		/* Ask the X server for new renderbuffers. */
-		nouveau_update_renderbuffers(dri_ctx, dri_draw,
-					     &nctx->drawable.d_stamp);
-		if (dri_draw != dri_read)
-			nouveau_update_renderbuffers(dri_ctx, dri_read,
-						     &nctx->drawable.r_stamp);
+		if (dri_draw->driverPrivate != ctx->WinSysDrawBuffer)
+			update_framebuffer(dri_ctx, dri_draw,
+					   &dri_ctx->dri2.draw_stamp);
+
+		if (dri_draw != dri_read &&
+		    dri_read->driverPrivate != ctx->WinSysReadBuffer)
+			update_framebuffer(dri_ctx, dri_read,
+					   &dri_ctx->dri2.read_stamp);
 
 		/* Pass it down to mesa. */
 		_mesa_make_current(ctx, dri_draw->driverPrivate,
@@ -266,8 +323,20 @@ nouveau_fallback(GLcontext *ctx, enum nouveau_fallback mode)
 void
 nouveau_validate_framebuffer(GLcontext *ctx)
 {
-	struct nouveau_context *nctx = to_nouveau_context(ctx);
+	__DRIcontext *dri_ctx = to_nouveau_context(ctx)->dri_context;
+	__DRIdrawable *dri_draw = dri_ctx->driDrawablePriv;
+	__DRIdrawable *dri_read = dri_ctx->driReadablePriv;
 
-	/* Someone's planning to draw something really soon. */
-	nctx->drawable.dirty = GL_TRUE;
+	if (ctx->DrawBuffer->Name == 0 &&
+	    dri_ctx->dri2.draw_stamp != *dri_draw->pStamp)
+		update_framebuffer(dri_ctx, dri_draw,
+				   &dri_ctx->dri2.draw_stamp);
+
+	if (ctx->ReadBuffer->Name == 0 && dri_draw != dri_read &&
+	    dri_ctx->dri2.read_stamp != *dri_read->pStamp)
+		update_framebuffer(dri_ctx, dri_read,
+				   &dri_ctx->dri2.read_stamp);
+
+	if (nouveau_next_dirty_state(ctx) >= 0)
+		FIRE_RING(context_chan(ctx));
 }