nouveau: implement pipe_screen

Untested on NV3x/NV5x.  Quite possibly broken.

7 files changed, 170 insertions, 100 deletions

diff --git a/src/gallium/drivers/nv50/Makefile b/src/gallium/drivers/nv50/Makefile
index 68eb49ff2a3..1c0b82887a1 100644
--- a/src/gallium/drivers/nv50/Makefile
+++ b/src/gallium/drivers/nv50/Makefile
@@ -9,6 +9,7 @@ DRIVER_SOURCES = \
 	nv50_draw.c \
 	nv50_miptree.c \
 	nv50_query.c \
+	nv50_screen.c \
 	nv50_state.c \
 	nv50_surface.c \
 	nv50_vbo.c
diff --git a/src/gallium/drivers/nv50/nv50_context.c b/src/gallium/drivers/nv50/nv50_context.c
index 3c5a54bfd38..98022809a6c 100644
--- a/src/gallium/drivers/nv50/nv50_context.c
+++ b/src/gallium/drivers/nv50/nv50_context.c
@@ -4,85 +4,7 @@
 #include "pipe/p_util.h"
 
 #include "nv50_context.h"
-
-static boolean
-nv50_is_format_supported(struct pipe_context *pipe, enum pipe_format format,
-			 uint type)
-{
-	return FALSE;
-}
-
-static const char *
-nv50_get_name(struct pipe_context *pipe)
-{
-	struct nv50_context *nv50 = (struct nv50_context *)pipe;
-	static char buffer[128];
-
-	snprintf(buffer, sizeof(buffer), "NV%02X", nv50->chipset);
-	return buffer;
-}
-
-static const char *
-nv50_get_vendor(struct pipe_context *pipe)
-{
-	return "nouveau";
-}
-
-static int
-nv50_get_param(struct pipe_context *pipe, int param)
-{
-	switch (param) {
-	case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
-		return 32;
-	case PIPE_CAP_NPOT_TEXTURES:
-		return 0;
-	case PIPE_CAP_TWO_SIDED_STENCIL:
-		return 1;
-	case PIPE_CAP_GLSL:
-		return 0;
-	case PIPE_CAP_S3TC:
-		return 0;
-	case PIPE_CAP_ANISOTROPIC_FILTER:
-		return 0;
-	case PIPE_CAP_POINT_SPRITE:
-		return 0;
-	case PIPE_CAP_MAX_RENDER_TARGETS:
-		return 8;
-	case PIPE_CAP_OCCLUSION_QUERY:
-		return 0;
-	case PIPE_CAP_TEXTURE_SHADOW_MAP:
-		return 0;
-	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
-		return 13;
-	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
-		return 10;
-	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
-		return 13;
-	default:
-		NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
-		return 0;
-	}
-}
-
-static float
-nv50_get_paramf(struct pipe_context *pipe, int param)
-{
-	switch (param) {
-	case PIPE_CAP_MAX_LINE_WIDTH:
-	case PIPE_CAP_MAX_LINE_WIDTH_AA:
-		return 10.0;
-	case PIPE_CAP_MAX_POINT_WIDTH:
-	case PIPE_CAP_MAX_POINT_WIDTH_AA:
-		return 64.0;
-	case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
-		return 16.0;
-	case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
-		return 4.0;
-	default:
-		NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
-		return 0.0;
-	}
-}
+#include "nv50_screen.h"
 
 static void
 nv50_flush(struct pipe_context *pipe, unsigned flags)
@@ -134,9 +56,10 @@ nv50_init_hwctx(struct nv50_context *nv50, int tesla_class)
 #define GRCLASS5097_CHIPSETS 0x00000000
 #define GRCLASS8297_CHIPSETS 0x00000010
 struct pipe_context *
-nv50_create(struct pipe_winsys *pipe_winsys, struct nouveau_winsys *nvws,
-	    unsigned chipset)
+nv50_create(struct pipe_screen *pscreen, struct nouveau_winsys *nvws)
 {
+	struct pipe_winsys *pipe_winsys = pscreen->winsys;
+	unsigned chipset = nv50_screen(pscreen)->chipset;
 	struct nv50_context *nv50;
 	int tesla_class, ret;
 
@@ -173,13 +96,9 @@ nv50_create(struct pipe_winsys *pipe_winsys, struct nouveau_winsys *nvws,
 	}
 
 	nv50->pipe.winsys = pipe_winsys;
+	nv50->pipe.screen = pscreen;
 
 	nv50->pipe.destroy = nv50_destroy;
-	nv50->pipe.is_format_supported = nv50_is_format_supported;
-	nv50->pipe.get_name = nv50_get_name;
-	nv50->pipe.get_vendor = nv50_get_vendor;
-	nv50->pipe.get_param = nv50_get_param;
-	nv50->pipe.get_paramf = nv50_get_paramf;
 
 	nv50->pipe.draw_arrays = nv50_draw_arrays;
 	nv50->pipe.draw_elements = nv50_draw_elements;
diff --git a/src/gallium/drivers/nv50/nv50_context.h b/src/gallium/drivers/nv50/nv50_context.h
index b99254f6191..a529bf3c3e3 100644
--- a/src/gallium/drivers/nv50/nv50_context.h
+++ b/src/gallium/drivers/nv50/nv50_context.h
@@ -38,6 +38,8 @@ extern void nv50_init_surface_functions(struct nv50_context *nv50);
 extern void nv50_init_state_functions(struct nv50_context *nv50);
 extern void nv50_init_query_functions(struct nv50_context *nv50);
 
+extern void nv50_screen_init_miptree_functions(struct pipe_screen *pscreen);
+
 /* nv50_draw.c */
 extern struct draw_stage *nv50_draw_render_stage(struct nv50_context *nv50);
 
diff --git a/src/gallium/drivers/nv50/nv50_miptree.c b/src/gallium/drivers/nv50/nv50_miptree.c
index 0c034ed4387..720d33fda91 100644
--- a/src/gallium/drivers/nv50/nv50_miptree.c
+++ b/src/gallium/drivers/nv50/nv50_miptree.c
@@ -1,25 +1,46 @@
 #include "pipe/p_state.h"
 #include "pipe/p_defines.h"
 #include "pipe/p_util.h"
+#include "pipe/p_screen.h"
 
 #include "nv50_context.h"
 
 static struct pipe_texture *
-nv50_miptree_create(struct pipe_context *pipe, const struct pipe_texture *pt)
+nv50_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt)
 {
 	NOUVEAU_ERR("unimplemented\n");
 	return NULL;
 }
 
 static void
-nv50_miptree_release(struct pipe_context *pipe, struct pipe_texture **pt)
+nv50_miptree_release(struct pipe_screen *pscreen, struct pipe_texture **pt)
 {
 	NOUVEAU_ERR("unimplemented\n");
 }
 
+static struct pipe_surface *
+nv50_miptree_surface(struct pipe_screen *pscreen, struct pipe_texture *pt,
+		     unsigned face, unsigned level, unsigned zslice)
+{
+	NOUVEAU_ERR("unimplemented\n");
+	return NULL;
+}
+
+void
+nv50_screen_init_miptree_functions(struct pipe_screen *pscreen)
+{
+	pscreen->texture_create = nv50_miptree_create;
+	pscreen->texture_release = nv50_miptree_release;
+	pscreen->get_tex_surface = nv50_miptree_surface;
+}
+
+static void
+nv50_miptree_update(struct pipe_context *pipe, struct pipe_texture *mt)
+{
+}
+
 void
 nv50_init_miptree_functions(struct nv50_context *nv50)
 {
-	nv50->pipe.texture_create = nv50_miptree_create;
-	nv50->pipe.texture_release = nv50_miptree_release;
+	nv50->pipe.texture_update = nv50_miptree_update;
 }
diff --git a/src/gallium/drivers/nv50/nv50_screen.c b/src/gallium/drivers/nv50/nv50_screen.c
new file mode 100644
index 00000000000..8bf82eb0bc0
--- /dev/null
+++ b/src/gallium/drivers/nv50/nv50_screen.c
@@ -0,0 +1,117 @@
+#include "pipe/p_screen.h"
+#include "pipe/p_util.h"
+
+#include "nv50_context.h"
+#include "nv50_screen.h"
+
+static boolean
+nv50_screen_is_format_supported(struct pipe_screen *pscreen,
+				enum pipe_format format, uint type)
+{
+	return FALSE;
+}
+
+static const char *
+nv50_screen_get_name(struct pipe_screen *pscreen)
+{
+	struct nv50_screen *screen = nv50_screen(pscreen);
+	static char buffer[128];
+
+	snprintf(buffer, sizeof(buffer), "NV%02X", screen->chipset);
+	return buffer;
+}
+
+static const char *
+nv50_screen_get_vendor(struct pipe_screen *pscreen)
+{
+	return "nouveau";
+}
+
+static int
+nv50_screen_get_param(struct pipe_screen *pscreen, int param)
+{
+	switch (param) {
+	case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
+		return 32;
+	case PIPE_CAP_NPOT_TEXTURES:
+		return 0;
+	case PIPE_CAP_TWO_SIDED_STENCIL:
+		return 1;
+	case PIPE_CAP_GLSL:
+		return 0;
+	case PIPE_CAP_S3TC:
+		return 0;
+	case PIPE_CAP_ANISOTROPIC_FILTER:
+		return 0;
+	case PIPE_CAP_POINT_SPRITE:
+		return 0;
+	case PIPE_CAP_MAX_RENDER_TARGETS:
+		return 8;
+	case PIPE_CAP_OCCLUSION_QUERY:
+		return 0;
+	case PIPE_CAP_TEXTURE_SHADOW_MAP:
+		return 0;
+	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
+		return 13;
+	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
+		return 10;
+	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
+		return 13;
+	default:
+		NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
+		return 0;
+	}
+}
+
+static float
+nv50_screen_get_paramf(struct pipe_screen *pscreen, int param)
+{
+	switch (param) {
+	case PIPE_CAP_MAX_LINE_WIDTH:
+	case PIPE_CAP_MAX_LINE_WIDTH_AA:
+		return 10.0;
+	case PIPE_CAP_MAX_POINT_WIDTH:
+	case PIPE_CAP_MAX_POINT_WIDTH_AA:
+		return 64.0;
+	case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
+		return 16.0;
+	case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
+		return 4.0;
+	default:
+		NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
+		return 0.0;
+	}
+}
+
+static void
+nv50_screen_destroy(struct pipe_screen *pscreen)
+{
+	FREE(pscreen);
+}
+
+struct pipe_screen *
+nv50_screen_create(struct pipe_winsys *ws, unsigned chipset)
+{
+	struct nv50_screen *screen = CALLOC_STRUCT(nv50_screen);
+
+	if (!screen)
+		return NULL;
+
+	screen->chipset = chipset;
+
+	screen->pipe.winsys = ws;
+
+	screen->pipe.destroy = nv50_screen_destroy;
+
+	screen->pipe.get_name = nv50_screen_get_name;
+	screen->pipe.get_vendor = nv50_screen_get_vendor;
+	screen->pipe.get_param = nv50_screen_get_param;
+	screen->pipe.get_paramf = nv50_screen_get_paramf;
+
+	screen->pipe.is_format_supported = nv50_screen_is_format_supported;
+
+	nv50_screen_init_miptree_functions(&screen->pipe);
+
+	return &screen->pipe;
+}
+
diff --git a/src/gallium/drivers/nv50/nv50_screen.h b/src/gallium/drivers/nv50/nv50_screen.h
new file mode 100644
index 00000000000..45ebbb8051b
--- /dev/null
+++ b/src/gallium/drivers/nv50/nv50_screen.h
@@ -0,0 +1,20 @@
+#ifndef __NV50_SCREEN_H__
+#define __NV50_SCREEN_H__
+
+#include "pipe/p_screen.h"
+
+struct nv50_screen {
+	struct pipe_screen pipe;
+	unsigned chipset;
+};
+
+static INLINE struct nv50_screen *
+nv50_screen(struct pipe_screen *screen)
+{
+	return (struct nv50_screen *)screen;
+}
+
+extern struct pipe_screen *
+nv50_screen_create(struct pipe_winsys *winsys, unsigned chipset);
+
+#endif
diff --git a/src/gallium/drivers/nv50/nv50_surface.c b/src/gallium/drivers/nv50/nv50_surface.c
index ca92ff02b89..39cf675a57c 100644
--- a/src/gallium/drivers/nv50/nv50_surface.c
+++ b/src/gallium/drivers/nv50/nv50_surface.c
@@ -33,15 +33,6 @@
 #include "pipe/p_inlines.h"
 #include "util/p_tile.h"
 
-static struct pipe_surface *
-nv50_get_tex_surface(struct pipe_context *pipe,
-                     struct pipe_texture *pt,
-                     unsigned face, unsigned level, unsigned zslice)
-{
-	NOUVEAU_ERR("unimplemented\n");
-	return NULL;
-}
-
 static void
 nv50_surface_copy(struct pipe_context *pipe, unsigned flip,
 		  struct pipe_surface *dest, unsigned destx, unsigned desty,
@@ -69,7 +60,6 @@ nv50_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
 void
 nv50_init_surface_functions(struct nv50_context *nv50)
 {
-   nv50->pipe.get_tex_surface = nv50_get_tex_surface;
    nv50->pipe.surface_copy = nv50_surface_copy;
    nv50->pipe.surface_fill = nv50_surface_fill;
 }