Merge branch 'softpipe_0_1_branch' of git+ssh://brianp@git.freedesktop.org/git/mesa/mesa into softpipe_0_1_branch

8 files changed, 234 insertions, 9 deletions

diff --git a/src/mesa/drivers/dri/i915tex/Makefile b/src/mesa/drivers/dri/i915tex/Makefile
index b218929dce..827acc0c46 100644
--- a/src/mesa/drivers/dri/i915tex/Makefile
+++ b/src/mesa/drivers/dri/i915tex/Makefile
@@ -48,6 +48,7 @@ DRIVER_SOURCES = \
 	intel_screen.c \
 	intel_span.c \
 	intel_state.c \
+	intel_surface.c \
 	intel_tris.c \
 	intel_fbo.c \
 	intel_depthstencil.c \
diff --git a/src/mesa/drivers/dri/i915tex/i915_context.c b/src/mesa/drivers/dri/i915tex/i915_context.c
index 49e30141e4..b6d004b258 100644
--- a/src/mesa/drivers/dri/i915tex/i915_context.c
+++ b/src/mesa/drivers/dri/i915tex/i915_context.c
@@ -71,6 +71,8 @@ i915InvalidateState(GLcontext * ctx, GLuint new_state)
    _tnl_invalidate_vertex_state(ctx, new_state);
    intel_context(ctx)->NewGLState |= new_state;
 
+   st_invalidate_state(ctx, new_state);
+
    /* Todo: gather state values under which tracked parameters become
     * invalidated, add callbacks for things like
     * ProgramLocalParameters, etc.
diff --git a/src/mesa/drivers/dri/i915tex/intel_fbo.h b/src/mesa/drivers/dri/i915tex/intel_fbo.h
index 963f5e706f..1642ce774f 100644
--- a/src/mesa/drivers/dri/i915tex/intel_fbo.h
+++ b/src/mesa/drivers/dri/i915tex/intel_fbo.h
@@ -29,9 +29,25 @@
 #define INTEL_FBO_H
 
 
+#include "pipe/p_state.h"
+#include "pipe/softpipe/sp_surface.h"
+
+
 struct intel_context;
 struct intel_region;
 
+
+/**
+ * Intel "pipe" surface.  This is kind of a temporary thing as
+ * renderbuffers and surfaces should eventually become one.
+ */
+struct intel_surface
+{
+   struct softpipe_surface surface;  /**< base class */
+   struct intel_renderbuffer *rb;    /**< ptr back to matching renderbuffer */
+};
+
+
 /**
  * Intel framebuffer, derived from gl_framebuffer.
  */
@@ -82,6 +98,8 @@ struct intel_renderbuffer
    GLuint pf_pending;  /**< sequence number of pending flip */
 
    GLuint vbl_pending;   /**< vblank sequence number of pending flip */
+
+   struct intel_surface *surface;
 };
 
 
diff --git a/src/mesa/drivers/dri/i915tex/intel_surface.c b/src/mesa/drivers/dri/i915tex/intel_surface.c
new file mode 100644
index 0000000000..29b640e58e
--- /dev/null
+++ b/src/mesa/drivers/dri/i915tex/intel_surface.c
@@ -0,0 +1,163 @@
+#include "glheader.h"
+#include "context.h"
+#include "framebuffer.h"
+#include "renderbuffer.h"
+#include "utils.h"
+#include "main/macros.h"
+
+
+#include "intel_screen.h"
+
+#include "intel_context.h"
+#include "intel_buffers.h"
+#include "intel_regions.h"
+#include "intel_span.h"
+#include "intel_fbo.h"
+
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+#include "pipe/softpipe/sp_surface.h"
+
+
+/*
+ * XXX a lof of this is a temporary kludge
+ */
+
+extern void
+intel_map_unmap_buffers(struct intel_context *intel, GLboolean map);
+
+
+
+static void
+read_quad_f_swz(struct softpipe_surface *gs, GLint x, GLint y,
+                GLfloat (*rrrr)[QUAD_SIZE])
+{
+
+
+}
+
+
+static void
+write_quad_f_swz(struct softpipe_surface *sps, GLint x, GLint y,
+                 GLfloat (*rrrr)[QUAD_SIZE])
+{
+   struct intel_surface *is = (struct intel_surface *) sps;
+   struct intel_renderbuffer *irb = is->rb;
+   const GLfloat *src = (const GLfloat *) rrrr;
+   GLubyte *dst = (GLubyte *) irb->region->map
+      + (y * irb->region->pitch + x) * irb->region->cpp;
+   GLubyte temp[16];
+   GLuint i, j;
+
+   for (i = 0; i < 4; i++) {
+      for (j = 0; j < 4; j++) {
+         UNCLAMPED_FLOAT_TO_UBYTE(temp[j * 4 + i], src[i * 4 + j]);
+      }
+   }
+
+   printf("intel_surface::write_quad\n");
+
+   memcpy(dst, temp, 8);
+   memcpy(dst + irb->region->pitch * irb->region->cpp, temp + 8, 8);
+}
+
+
+
+static void *
+map_surface_buffer(struct pipe_buffer *pb, GLuint access_mode)
+{
+   struct intel_surface *is = (struct intel_surface *) pb;
+   struct intel_renderbuffer *irb = is->rb;
+   GET_CURRENT_CONTEXT(ctx);
+   struct intel_context *intel = intel_context(ctx);
+
+   assert(access_mode == PIPE_MAP_READ_WRITE);
+
+   intelFinish(&intel->ctx);
+
+   /*LOCK_HARDWARE(intel);*/
+
+   if (irb->region) {
+      intel_region_map(intel->intelScreen, irb->region);
+   }
+   pb->ptr = irb->region->map;
+
+   return pb->ptr;
+}
+
+
+static void
+unmap_surface_buffer(struct pipe_buffer *pb)
+{
+   struct intel_surface *is = (struct intel_surface *) pb;
+   struct intel_renderbuffer *irb = is->rb;
+   GET_CURRENT_CONTEXT(ctx);
+   struct intel_context *intel = intel_context(ctx);
+
+   if (irb->region) {
+      intel_region_unmap(intel->intelScreen, irb->region);
+   }
+   pb->ptr = NULL;
+
+   /*UNLOCK_HARDWARE(intel);*/
+}
+
+
+struct pipe_surface *
+xmesa_get_color_surface(GLcontext *ctx, GLuint i)
+{
+   struct intel_context *intel = intel_context(ctx);
+   struct intel_framebuffer *intel_fb;
+   struct intel_renderbuffer *intel_rb;
+
+   intel_fb = (struct intel_framebuffer *) ctx->DrawBuffer;
+   intel_rb = intel_fb->color_rb[1];
+
+   if (!intel_rb->surface) {
+      /* create surface and attach to intel_rb */
+      struct intel_surface *is;
+      is = CALLOC_STRUCT(intel_surface);
+      if (is) {
+         is->surface.surface.width = intel_rb->Base.Width;
+         is->surface.surface.height = intel_rb->Base.Height;
+
+         is->surface.read_quad_f_swz = read_quad_f_swz;
+         is->surface.write_quad_f_swz = write_quad_f_swz;
+
+         is->surface.surface.buffer.map = map_surface_buffer;
+         is->surface.surface.buffer.unmap = unmap_surface_buffer;
+
+         is->rb = intel_rb;
+      }
+      intel_rb->surface = is;
+   }
+   else {
+      /* update surface size */
+      struct intel_surface *is = intel_rb->surface;
+      is->surface.surface.width = intel_rb->Base.Width;
+      is->surface.surface.height = intel_rb->Base.Height;
+      /* sanity check */
+      assert(is->surface.surface.buffer.map == map_surface_buffer);
+   }
+
+   return &intel_rb->surface->surface.surface;
+}
+
+
+struct pipe_surface *
+xmesa_get_z_surface(GLcontext *ctx)
+{
+   /* XXX fix */
+   return NULL;
+}
+
+
+struct pipe_surface *
+xmesa_get_stencil_surface(GLcontext *ctx)
+{
+   /* XXX fix */
+   return NULL;
+}
+
+
+
diff --git a/src/mesa/drivers/x11/xm_surface.c b/src/mesa/drivers/x11/xm_surface.c
index 58081a36a0..9d6db2b5ce 100644
--- a/src/mesa/drivers/x11/xm_surface.c
+++ b/src/mesa/drivers/x11/xm_surface.c
@@ -69,6 +69,20 @@ xmesa_surface(struct softpipe_surface *sps)
 }
 
 
+static void *
+map_surface_buffer(struct pipe_buffer *pb, GLuint access_mode)
+{
+   /* no-op */
+}
+
+
+static void
+unmap_surface_buffer(struct pipe_buffer *pb)
+{
+   /* no-op */
+}
+
+
 /**
  * quad reading/writing
  * These functions are just wrappers around the existing renderbuffer
@@ -199,6 +213,9 @@ create_surface(XMesaContext xmctx, struct xmesa_renderbuffer *xrb)
       xmsurf->sps.write_quad_ub = write_quad_ub;
       xmsurf->sps.write_mono_row_ub = write_mono_row_ub;
 
+      xmsurf->sps.surface.buffer.map = map_surface_buffer;
+      xmsurf->sps.surface.buffer.unmap = unmap_surface_buffer;
+
 #if 0
       if (xrb->ximage) {
          xmsurf->sps.surface.ptr = (GLubyte *) xrb->ximage->data;
diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c
index 3bb04a6835..6b44fabfa4 100644
--- a/src/mesa/pipe/softpipe/sp_context.c
+++ b/src/mesa/pipe/softpipe/sp_context.c
@@ -32,12 +32,40 @@
 #include "main/imports.h"
 #include "main/macros.h"
 #include "pipe/draw/draw_context.h"
+#include "pipe/p_defines.h"
 #include "sp_context.h"
 #include "sp_clear.h"
 #include "sp_state.h"
+#include "sp_surface.h"
 #include "sp_prim_setup.h"
 
 
+static void map_surfaces(struct softpipe_context *sp)
+{
+   GLuint i;
+
+   for (i = 0; i < sp->framebuffer.num_cbufs; i++) {
+      struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.cbufs[i]);
+      struct pipe_buffer *buf = &sps->surface.buffer;
+      buf->map(buf, PIPE_MAP_READ_WRITE);
+   }
+   /* XXX depth & stencil bufs */
+}
+
+
+static void unmap_surfaces(struct softpipe_context *sp)
+{
+   GLuint i;
+
+   for (i = 0; i < sp->framebuffer.num_cbufs; i++) {
+      struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.cbufs[i]);
+      struct pipe_buffer *buf = &sps->surface.buffer;
+      buf->unmap(buf);
+   }
+   /* XXX depth & stencil bufs */
+}
+
+
 static void softpipe_destroy( struct pipe_context *pipe )
 {
    struct softpipe_context *softpipe = softpipe_context( pipe );
@@ -56,7 +84,10 @@ static void softpipe_draw_vb( struct pipe_context *pipe,
    if (softpipe->dirty)
       softpipe_update_derived( softpipe );
 
+   /* XXX move mapping/unmapping to higher/coarser level? */
+   map_surfaces(softpipe);
    draw_vb( softpipe->draw, VB );
+   unmap_surfaces(softpipe);
 }
 
 
diff --git a/src/mesa/pipe/softpipe/sp_prim_setup.c b/src/mesa/pipe/softpipe/sp_prim_setup.c
index 57b7d73415..4e66f40e47 100644
--- a/src/mesa/pipe/softpipe/sp_prim_setup.c
+++ b/src/mesa/pipe/softpipe/sp_prim_setup.c
@@ -1010,20 +1010,11 @@ static void setup_begin( struct draw_stage *stage )
    struct setup_stage *setup = setup_stage(stage);
 
    setup->quad.nr_attrs = setup->softpipe->nr_frag_attrs;
-
-   /*
-    * XXX this is where we might map() the renderbuffers to begin
-    * s/w rendering.
-    */
 }
 
 
 static void setup_end( struct draw_stage *stage )
 {
-   /*
-    * XXX this is where we might unmap() the renderbuffers after
-    * s/w rendering.
-    */
 }
 
 
diff --git a/src/mesa/state_tracker/st_cb_program.c b/src/mesa/state_tracker/st_cb_program.c
index fa9eaf446e..6da2aeb2f2 100644
--- a/src/mesa/state_tracker/st_cb_program.c
+++ b/src/mesa/state_tracker/st_cb_program.c
@@ -153,7 +153,9 @@ void st_init_cb_program( struct st_context *st )
    st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
    st->ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE;
 
+#if 0
    assert(functions->ProgramStringNotify == _tnl_program_string); 
+#endif
    functions->BindProgram = st_bind_program;
    functions->NewProgram = st_new_program;
    functions->DeleteProgram = st_delete_program;