X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fvbo%2Fvbo_exec_draw.c;h=18419928b26a93836e17748f456eb1f286757be2;hb=c5c19919ce627b98d8aab4284da1694573bcccd4;hp=5bf3d836db57224b8bc11d45ccc12cdc2c613e93;hpb=df6155fcff66034457b3165f5df0a61ccfc41314;p=mesa.git

diff --git a/src/mesa/vbo/vbo_exec_draw.c b/src/mesa/vbo/vbo_exec_draw.c
index 5bf3d836db5..18419928b26 100644
--- a/src/mesa/vbo/vbo_exec_draw.c
+++ b/src/mesa/vbo/vbo_exec_draw.c
@@ -35,7 +35,8 @@
 #include "vbo_context.h"
 
 
-static void vbo_exec_debug_verts( struct vbo_exec_context *exec )
+static void
+vbo_exec_debug_verts( struct vbo_exec_context *exec )
 {
    GLuint count = exec->vtx.vert_count;
    GLuint i;
@@ -50,7 +51,7 @@ static void vbo_exec_debug_verts( struct vbo_exec_context *exec )
       struct _mesa_prim *prim = &exec->vtx.prim[i];
       _mesa_printf("   prim %d: %s%s %d..%d %s %s\n",
 		   i, 
-		   _mesa_lookup_enum_by_nr(prim->mode),
+		   _mesa_lookup_prim_by_nr(prim->mode),
 		   prim->weak ? " (weak)" : "",
 		   prim->start, 
 		   prim->start + prim->count,
@@ -64,19 +65,19 @@ static void vbo_exec_debug_verts( struct vbo_exec_context *exec )
  * NOTE: Need to have calculated primitives by this point -- do it on the fly.
  * NOTE: Old 'parity' issue is gone.
  */
-static GLuint vbo_copy_vertices( struct vbo_exec_context *exec )
+static GLuint
+vbo_copy_vertices( struct vbo_exec_context *exec )
 {
    GLuint nr = exec->vtx.prim[exec->vtx.prim_count-1].count;
    GLuint ovf, i;
    GLuint sz = exec->vtx.vertex_size;
    GLfloat *dst = exec->vtx.copied.buffer;
-   GLfloat *src = ((GLfloat *)exec->vtx.buffer_map + 
-		   exec->vtx.prim[exec->vtx.prim_count-1].start * 
-		   exec->vtx.vertex_size);
+   const GLfloat *src = (exec->vtx.buffer_map + 
+                         exec->vtx.prim[exec->vtx.prim_count-1].start * 
+                         exec->vtx.vertex_size);
 
 
-   switch( exec->ctx->Driver.CurrentExecPrimitive )
-   {
+   switch (exec->ctx->Driver.CurrentExecPrimitive) {
    case GL_POINTS:
       return 0;
    case GL_LINES:
@@ -95,8 +96,9 @@ static GLuint vbo_copy_vertices( struct vbo_exec_context *exec )
 	 _mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) );
       return i;
    case GL_LINE_STRIP:
-      if (nr == 0) 
+      if (nr == 0) {
 	 return 0;
+      }
       else {
 	 _mesa_memcpy( dst, src+(nr-1)*sz, sz * sizeof(GLfloat) );
 	 return 1;
@@ -104,12 +106,14 @@ static GLuint vbo_copy_vertices( struct vbo_exec_context *exec )
    case GL_LINE_LOOP:
    case GL_TRIANGLE_FAN:
    case GL_POLYGON:
-      if (nr == 0) 
+      if (nr == 0) {
 	 return 0;
+      }
       else if (nr == 1) {
 	 _mesa_memcpy( dst, src+0, sz * sizeof(GLfloat) );
 	 return 1;
-      } else {
+      }
+      else {
 	 _mesa_memcpy( dst, src+0, sz * sizeof(GLfloat) );
 	 _mesa_memcpy( dst+sz, src+(nr-1)*sz, sz * sizeof(GLfloat) );
 	 return 2;
@@ -122,9 +126,15 @@ static GLuint vbo_copy_vertices( struct vbo_exec_context *exec )
       /* fallthrough */
    case GL_QUAD_STRIP:
       switch (nr) {
-      case 0: ovf = 0; break;
-      case 1: ovf = 1; break;
-      default: ovf = 2 + (nr&1); break;
+      case 0:
+         ovf = 0;
+         break;
+      case 1:
+         ovf = 1;
+         break;
+      default:
+         ovf = 2 + (nr & 1);
+         break;
       }
       for (i = 0 ; i < ovf ; i++)
 	 _mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) );
@@ -141,13 +151,14 @@ static GLuint vbo_copy_vertices( struct vbo_exec_context *exec )
 
 /* TODO: populate these as the vertex is defined:
  */
-static void vbo_exec_bind_arrays( GLcontext *ctx )
+static void
+vbo_exec_bind_arrays( GLcontext *ctx )
 {
    struct vbo_context *vbo = vbo_context(ctx);
    struct vbo_exec_context *exec = &vbo->exec;
    struct gl_client_array *arrays = exec->vtx.arrays;
-   GLuint count = exec->vtx.vert_count;
-   GLubyte *data = exec->vtx.buffer_map;
+   const GLuint count = exec->vtx.vert_count;
+   const GLubyte *data = (GLubyte *) exec->vtx.buffer_map;
    const GLuint *map;
    GLuint attr;
    GLbitfield varying_inputs = 0x0;
@@ -176,7 +187,21 @@ static void vbo_exec_bind_arrays( GLcontext *ctx )
          exec->vtx.inputs[attr + 16] = &vbo->generic_currval[attr];
       }
       map = vbo->map_vp_arb;
+
+      /* check if VERT_ATTRIB_POS is not read but VERT_BIT_GENERIC0 is read.
+       * In that case we effectively need to route the data from
+       * glVertexAttrib(0, val) calls to feed into the GENERIC0 input.
+       */
+      if ((ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_POS) == 0 &&
+          (ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_GENERIC0)) {
+         exec->vtx.inputs[16] = exec->vtx.inputs[0];
+         exec->vtx.attrsz[16] = exec->vtx.attrsz[0];
+         exec->vtx.attrptr[16] = exec->vtx.attrptr[0];
+         exec->vtx.attrsz[0] = 0;
+      }
       break;
+   default:
+      assert(0);
    }
 
    /* Make all active attributes (including edgeflag) available as
@@ -191,7 +216,7 @@ static void vbo_exec_bind_arrays( GLcontext *ctx )
 
          if (exec->vtx.bufferobj->Name) {
             /* a real buffer obj: Ptr is an offset, not a pointer*/
-            int offset;
+            GLsizeiptr offset;
             assert(exec->vtx.bufferobj->Pointer);  /* buf should be mapped */
             offset = (GLbyte *) data - (GLbyte *) exec->vtx.bufferobj->Pointer;
             assert(offset >= 0);
@@ -205,6 +230,7 @@ static void vbo_exec_bind_arrays( GLcontext *ctx )
 	 arrays[attr].StrideB = exec->vtx.vertex_size * sizeof(GLfloat);
 	 arrays[attr].Stride = exec->vtx.vertex_size * sizeof(GLfloat);
 	 arrays[attr].Type = GL_FLOAT;
+         arrays[attr].Format = GL_RGBA;
 	 arrays[attr].Enabled = 1;
          _mesa_reference_buffer_object(ctx,
                                        &arrays[attr].BufferObj,
@@ -212,7 +238,7 @@ static void vbo_exec_bind_arrays( GLcontext *ctx )
 	 arrays[attr]._MaxElement = count; /* ??? */
 
 	 data += exec->vtx.attrsz[src] * sizeof(GLfloat);
-         varying_inputs |= 1<<attr;
+         varying_inputs |= 1 << attr;
       }
    }
 
@@ -220,15 +246,109 @@ static void vbo_exec_bind_arrays( GLcontext *ctx )
 }
 
 
+static void
+vbo_exec_vtx_unmap( struct vbo_exec_context *exec )
+{
+   GLenum target = GL_ARRAY_BUFFER_ARB;
+
+   if (exec->vtx.bufferobj->Name) {
+      GLcontext *ctx = exec->ctx;
+      
+      if (ctx->Driver.FlushMappedBufferRange) {
+         GLintptr offset = exec->vtx.buffer_used - exec->vtx.bufferobj->Offset;
+         GLsizeiptr length = (exec->vtx.buffer_ptr - exec->vtx.buffer_map) * sizeof(float);
+
+         if (length)
+            ctx->Driver.FlushMappedBufferRange(ctx, target,
+                                               offset, length,
+                                               exec->vtx.bufferobj);
+      }
+
+      exec->vtx.buffer_used += (exec->vtx.buffer_ptr -
+                                exec->vtx.buffer_map) * sizeof(float);
+
+      assert(exec->vtx.buffer_used <= VBO_VERT_BUFFER_SIZE);
+      assert(exec->vtx.buffer_ptr != NULL);
+      
+      ctx->Driver.UnmapBuffer(ctx, target, exec->vtx.bufferobj);
+      exec->vtx.buffer_map = NULL;
+      exec->vtx.buffer_ptr = NULL;
+      exec->vtx.max_vert = 0;
+   }
+}
+
+
+void
+vbo_exec_vtx_map( struct vbo_exec_context *exec )
+{
+   GLcontext *ctx = exec->ctx;
+   const GLenum target = GL_ARRAY_BUFFER_ARB;
+   const GLenum access = GL_READ_WRITE_ARB; /* for MapBuffer */
+   const GLenum accessRange = GL_MAP_WRITE_BIT |  /* for MapBufferRange */
+                              GL_MAP_INVALIDATE_RANGE_BIT |
+                              GL_MAP_UNSYNCHRONIZED_BIT |
+                              GL_MAP_FLUSH_EXPLICIT_BIT |
+                              MESA_MAP_NOWAIT_BIT;
+   const GLenum usage = GL_STREAM_DRAW_ARB;
+   
+   if (exec->vtx.bufferobj->Name == 0)
+      return;
+
+   if (exec->vtx.buffer_map != NULL) {
+      assert(0);
+      exec->vtx.buffer_map = NULL;
+      exec->vtx.buffer_ptr = NULL;
+   }
+
+   if (VBO_VERT_BUFFER_SIZE > exec->vtx.buffer_used + 1024 &&
+       ctx->Driver.MapBufferRange) {
+      exec->vtx.buffer_map = 
+         (GLfloat *)ctx->Driver.MapBufferRange(ctx, 
+                                               target, 
+                                               exec->vtx.buffer_used,
+                                               (VBO_VERT_BUFFER_SIZE - 
+                                                exec->vtx.buffer_used),
+                                               accessRange,
+                                               exec->vtx.bufferobj);
+      exec->vtx.buffer_ptr = exec->vtx.buffer_map;
+   }
+   
+   if (!exec->vtx.buffer_map) {
+      exec->vtx.buffer_used = 0;
+
+      ctx->Driver.BufferData(ctx, target, 
+                             VBO_VERT_BUFFER_SIZE, 
+                             NULL, usage, exec->vtx.bufferobj);
+
+
+      if (ctx->Driver.MapBufferRange)
+         exec->vtx.buffer_map = 
+            (GLfloat *)ctx->Driver.MapBufferRange(ctx, target,
+                                                  0, VBO_VERT_BUFFER_SIZE,
+                                                  accessRange,
+                                                  exec->vtx.bufferobj);
+      if (!exec->vtx.buffer_map)
+         exec->vtx.buffer_map =
+            (GLfloat *)ctx->Driver.MapBuffer(ctx, target, access, exec->vtx.bufferobj);
+      assert(exec->vtx.buffer_map);
+      exec->vtx.buffer_ptr = exec->vtx.buffer_map;
+   }
+
+   if (0)
+      _mesa_printf("map %d..\n", exec->vtx.buffer_used);
+}
+
+
+
 /**
  * Execute the buffer and save copied verts.
  */
-void vbo_exec_vtx_flush( struct vbo_exec_context *exec )
+void
+vbo_exec_vtx_flush( struct vbo_exec_context *exec, GLboolean unmap )
 {
    if (0)
       vbo_exec_debug_verts( exec );
 
-
    if (exec->vtx.prim_count && 
        exec->vtx.vert_count) {
 
@@ -236,25 +356,23 @@ void vbo_exec_vtx_flush( struct vbo_exec_context *exec )
 
       if (exec->vtx.copied.nr != exec->vtx.vert_count) {
 	 GLcontext *ctx = exec->ctx;
-
-	 GLenum target = GL_ARRAY_BUFFER_ARB;
-	 GLenum access = GL_READ_WRITE_ARB;
-	 GLenum usage = GL_STREAM_DRAW_ARB;
-	 GLsizei size = VBO_VERT_BUFFER_SIZE * sizeof(GLfloat);
 	 
-	 /* Before the unmap (why?)
+	 /* Before the update_state() as this may raise _NEW_ARRAY
+          * from _mesa_set_varying_vp_inputs().
 	  */
 	 vbo_exec_bind_arrays( ctx );
 
          if (ctx->NewState)
             _mesa_update_state( ctx );
 
-         /* if using a real VBO, unmap it before drawing */
          if (exec->vtx.bufferobj->Name) {
-            ctx->Driver.UnmapBuffer(ctx, target, exec->vtx.bufferobj);
-            exec->vtx.buffer_map = NULL;
+            vbo_exec_vtx_unmap( exec );
          }
 
+         if (0)
+            _mesa_printf("%s %d %d\n", __FUNCTION__, exec->vtx.prim_count,
+                         exec->vtx.vert_count);
+
 	 vbo_context(ctx)->draw_prims( ctx, 
 				       exec->vtx.inputs, 
 				       exec->vtx.prim, 
@@ -263,16 +381,29 @@ void vbo_exec_vtx_flush( struct vbo_exec_context *exec )
 				       0,
 				       exec->vtx.vert_count - 1);
 
-	 /* If using a real VBO, get new storage */
-         if (exec->vtx.bufferobj->Name) {
-            ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj);
-            exec->vtx.buffer_map = 
-               ctx->Driver.MapBuffer(ctx, target, access, exec->vtx.bufferobj);
+	 /* If using a real VBO, get new storage -- unless asked not to.
+          */
+         if (exec->vtx.bufferobj->Name && !unmap) {
+            vbo_exec_vtx_map( exec );
          }
       }
    }
 
+   /* May have to unmap explicitly if we didn't draw:
+    */
+   if (unmap && 
+       exec->vtx.bufferobj->Name &&
+       exec->vtx.buffer_map) {
+      vbo_exec_vtx_unmap( exec );
+   }
+
+   if (unmap) 
+      exec->vtx.max_vert = 0;
+   else
+      exec->vtx.max_vert = ((VBO_VERT_BUFFER_SIZE - exec->vtx.buffer_used) / 
+                            (exec->vtx.vertex_size * sizeof(GLfloat)));
+
+   exec->vtx.buffer_ptr = exec->vtx.buffer_map;
    exec->vtx.prim_count = 0;
    exec->vtx.vert_count = 0;
-   exec->vtx.vbptr = (GLfloat *)exec->vtx.buffer_map;
 }