Merge branch 'nouveau-import'

1 files changed, 211 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_context.h b/src/mesa/drivers/dri/nouveau/nouveau_context.h
new file mode 100644
index 0000000000..d7730bd796
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nouveau_context.h
@@ -0,0 +1,211 @@
+/**************************************************************************
+
+Copyright 2006 Stephane Marchesin
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+on the rights to use, copy, modify, merge, publish, distribute, sub
+license, and/or sell copies of the Software, and to permit persons to whom
+the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+
+
+#ifndef __NOUVEAU_CONTEXT_H__
+#define __NOUVEAU_CONTEXT_H__
+
+#include "dri_util.h"
+#include "drm.h"
+#include "nouveau_drm.h"
+
+#include "mtypes.h"
+#include "tnl/t_vertex.h"
+
+#include "nouveau_screen.h"
+#include "nouveau_state_cache.h"
+#include "nouveau_buffers.h"
+#include "nouveau_shader.h"
+
+#include "xmlconfig.h"
+
+typedef struct nouveau_fifo_t{
+	u_int32_t* buffer;
+	u_int32_t* mmio;
+	u_int32_t put_base;
+	u_int32_t current;
+	u_int32_t put;
+	u_int32_t free;
+	u_int32_t max;
+}
+nouveau_fifo;
+
+#define TAG(x) nouveau##x
+#include "tnl_dd/t_dd_vertex.h"
+#undef TAG
+
+/* Subpixel offsets for window coordinates (triangles): */
+#define SUBPIXEL_X  (0.0F)
+#define SUBPIXEL_Y  (0.125F)
+
+struct nouveau_context;
+
+typedef void (*nouveau_tri_func)( struct nouveau_context*, 
+		nouveauVertex *,
+		nouveauVertex *,
+		nouveauVertex * );
+
+typedef void (*nouveau_line_func)( struct nouveau_context*, 
+		nouveauVertex *,
+		nouveauVertex * );
+
+typedef void (*nouveau_point_func)( struct nouveau_context*,
+		nouveauVertex * );
+
+typedef struct nouveau_hw_func_t {
+	/* Initialise any card-specific non-GL related state */
+	GLboolean (*InitCard)(struct nouveau_context *);
+	/* Update buffer offset/pitch/format */
+	GLboolean (*BindBuffers)(struct nouveau_context *, int num_color,
+				 nouveau_renderbuffer **color,
+				 nouveau_renderbuffer *depth);
+	/* Update anything that depends on the window position/size */
+	void      (*WindowMoved)(struct nouveau_context *);
+} nouveau_hw_func;
+
+typedef struct nouveau_context {
+	/* Mesa context */
+	GLcontext *glCtx;
+
+	/* The per-context fifo */
+	nouveau_fifo fifo;
+
+	/* The read-only regs */
+	volatile unsigned char* mmio;
+
+	/* Physical addresses of AGP/VRAM apertures */
+	uint64_t vram_phys;
+	uint64_t agp_phys;
+
+	/* Additional hw-specific functions */
+	nouveau_hw_func hw_func;
+
+	/* FIXME : do we want to put all state into a separate struct ? */
+	/* State for tris */
+	GLuint color_offset;
+	GLuint specular_offset;
+
+	/* Vertex state */
+	GLuint vertex_size;
+	GLubyte *verts;
+	struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
+	GLuint vertex_attr_count;
+
+	/* Depth/stencil clear state */
+	uint32_t clear_value;
+
+	/* Light state */
+	GLboolean lighting_enabled;
+	uint32_t enabled_lights;
+
+	/* Cached state */
+	nouveau_state_cache state_cache;
+
+	/* The drawing fallbacks */
+	GLuint Fallback;
+	nouveau_tri_func draw_tri;
+	nouveau_line_func draw_line;
+	nouveau_point_func draw_point;
+
+	/* Cliprects information */
+	GLuint numClipRects;
+	drm_clip_rect_t *pClipRects;
+
+	/* The rendering context information */
+	GLenum current_primitive; /* the current primitive enum */
+	DECLARE_RENDERINPUTS(render_inputs_bitset); /* the current render inputs */
+
+	/* Shader state */
+	nvsFunc VPfunc;
+	nvsFunc FPfunc;
+	nouveauShader *current_fragprog;
+	nouveauShader *current_vertprog;
+	nouveauShader *passthrough_vp;
+
+	nouveauScreenRec *screen;
+	drm_nouveau_sarea_t *sarea;
+
+	__DRIcontextPrivate  *driContext;    /* DRI context */
+	__DRIscreenPrivate   *driScreen;     /* DRI screen */
+	__DRIdrawablePrivate *driDrawable;   /* DRI drawable bound to this ctx */
+	GLint lastStamp;
+
+	drm_context_t hHWContext;
+	drm_hw_lock_t *driHwLock;
+	int driFd;
+
+	/* Configuration cache */
+	driOptionCache optionCache;
+
+        /* vblank stuff */
+        uint32_t vblank_flags;
+        uint32_t vblank_seq;
+
+        GLuint new_state;
+        GLuint new_render_state;
+        GLuint render_index;
+        GLmatrix viewport;
+        GLfloat depth_scale;
+
+}nouveauContextRec, *nouveauContextPtr;
+
+
+#define NOUVEAU_CONTEXT(ctx)		((nouveauContextPtr)(ctx->DriverCtx))
+
+/* Flags for software fallback cases: */
+#define NOUVEAU_FALLBACK_TEXTURE		0x0001
+#define NOUVEAU_FALLBACK_DRAW_BUFFER		0x0002
+#define NOUVEAU_FALLBACK_READ_BUFFER		0x0004
+#define NOUVEAU_FALLBACK_STENCIL		0x0008
+#define NOUVEAU_FALLBACK_RENDER_MODE		0x0010
+#define NOUVEAU_FALLBACK_LOGICOP		0x0020
+#define NOUVEAU_FALLBACK_SEP_SPECULAR		0x0040
+#define NOUVEAU_FALLBACK_BLEND_EQ		0x0080
+#define NOUVEAU_FALLBACK_BLEND_FUNC		0x0100
+#define NOUVEAU_FALLBACK_PROJTEX		0x0200
+#define NOUVEAU_FALLBACK_DISABLE		0x0400
+
+
+extern GLboolean nouveauCreateContext( const __GLcontextModes *glVisual,
+		__DRIcontextPrivate *driContextPriv,
+		void *sharedContextPrivate );
+
+extern void nouveauDestroyContext( __DRIcontextPrivate * );
+
+extern GLboolean nouveauMakeCurrent( __DRIcontextPrivate *driContextPriv,
+		__DRIdrawablePrivate *driDrawPriv,
+		__DRIdrawablePrivate *driReadPriv );
+
+extern GLboolean nouveauUnbindContext( __DRIcontextPrivate *driContextPriv );
+
+extern void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv);
+
+extern void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv,
+				 int x, int y, int w, int h);
+
+#endif /* __NOUVEAU_CONTEXT_H__ */
+