mesa: remove dead code from api_loopback

[mesa.git] / src / mesa / swrast / s_bitmap.c

diff --git a/src/mesa/swrast/s_bitmap.c b/src/mesa/swrast/s_bitmap.c
index 1e7f6c18e6a2df7d7c8248019be0635e6a26e0cf..324daea3681d701491a2617fe0dc6d3474cba422 100644 (file)
--- a/src/mesa/swrast/s_bitmap.c
+++ b/src/mesa/swrast/s_bitmap.c
@@ -1,8 +1,7 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.2
  *
- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2008  Brian Paul   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"),
@@ -17,9 +16,10 @@
  * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 
 /**
@@ -28,11 +28,12 @@
  * \author Brian Paul
  */
 
-#include "glheader.h"
-#include "bufferobj.h"
-#include "image.h"
-#include "macros.h"
-#include "pixel.h"
+#include "main/glheader.h"
+#include "main/bufferobj.h"
+#include "main/condrender.h"
+#include "main/image.h"
+#include "main/macros.h"
+#include "main/pbo.h"
 
 #include "s_context.h"
 #include "s_span.h"
@@ -45,39 +46,25 @@
  * All parameter error checking will have been done before this is called.
  */
 void
-_swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
+_swrast_Bitmap( struct gl_context *ctx, GLint px, GLint py,
                GLsizei width, GLsizei height,
                const struct gl_pixelstore_attrib *unpack,
                const GLubyte *bitmap )
 {
-   SWcontext *swrast = SWRAST_CONTEXT(ctx);
    GLint row, col;
    GLuint count = 0;
    SWspan span;
 
-   ASSERT(ctx->RenderMode == GL_RENDER);
+   assert(ctx->RenderMode == GL_RENDER);
 
-   if (unpack->BufferObj->Name) {
-      /* unpack from PBO */
-      GLubyte *buf;
-      if (!_mesa_validate_pbo_access(2, unpack, width, height, 1,
-                                     GL_COLOR_INDEX, GL_BITMAP,
-                                     (GLvoid *) bitmap)) {
-         _mesa_error(ctx, GL_INVALID_OPERATION,"glBitmap(invalid PBO access)");
-         return;
-      }
-      buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
-                                              GL_READ_ONLY_ARB,
-                                              unpack->BufferObj);
-      if (!buf) {
-         /* buffer is already mapped - that's an error */
-         _mesa_error(ctx, GL_INVALID_OPERATION, "glBitmap(PBO is mapped)");
-         return;
-      }
-      bitmap = ADD_POINTERS(buf, bitmap);
-   }
+   if (!_mesa_check_conditional_render(ctx))
+      return; /* don't draw */
+
+   bitmap = (const GLubyte *) _mesa_map_pbo_source(ctx, unpack, bitmap);
+   if (!bitmap)
+      return;
 
-   RENDER_START(swrast,ctx);
+   swrast_render_start(ctx);
 
    if (SWRAST_CONTEXT(ctx)->NewState)
       _swrast_validate_derived( ctx );
@@ -136,25 +123,18 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
             src++;
       }
 
-      if (count + width >= MAX_WIDTH || row + 1 == height) {
+      if (count + width >= SWRAST_MAX_WIDTH || row + 1 == height) {
          /* flush the span */
          span.end = count;
-         if (ctx->Visual.rgbMode)
-            _swrast_write_rgba_span(ctx, &span);
-         else
-            _swrast_write_index_span(ctx, &span);
+         _swrast_write_rgba_span(ctx, &span);
          span.end = 0;
          count = 0;
       }
    }
 
-   RENDER_FINISH(swrast,ctx);
+   swrast_render_finish(ctx);
 
-   if (unpack->BufferObj->Name) {
-      /* done with PBO so unmap it now */
-      ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
-                              unpack->BufferObj);
-   }
+   _mesa_unmap_pbo_source(ctx, unpack);
 }
 
 
@@ -165,7 +145,7 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
  * draw or skip.
  */
 void
-_swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
+_swrast_Bitmap( struct gl_context *ctx, GLint px, GLint py,
                GLsizei width, GLsizei height,
                const struct gl_pixelstore_attrib *unpack,
                const GLubyte *bitmap )
@@ -174,10 +154,10 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
    GLint row, col;
    SWspan span;
 
-   ASSERT(ctx->RenderMode == GL_RENDER);
-   ASSERT(bitmap);
+   assert(ctx->RenderMode == GL_RENDER);
+   assert(bitmap);
 
-   RENDER_START(swrast,ctx);
+   swrast_render_start(ctx);
 
    if (SWRAST_CONTEXT(ctx)->NewState)
       _swrast_validate_derived( ctx );
@@ -210,10 +190,7 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
             }
          }
 
-         if (ctx->Visual.rgbMode)
-            _swrast_write_rgba_span(ctx, &span);
-         else
-           _swrast_write_index_span(ctx, &span);
+         _swrast_write_rgba_span(ctx, &span);
 
          /* get ready for next row */
          if (mask != 1)
@@ -233,10 +210,7 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
             }
          }
 
-         if (ctx->Visual.rgbMode)
-            _swrast_write_rgba_span(ctx, &span);
-         else
-            _swrast_write_index_span(ctx, &span);
+         _swrast_write_rgba_span(ctx, &span);
 
          /* get ready for next row */
          if (mask != 128)
@@ -244,6 +218,6 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
       }
    }
 
-   RENDER_FINISH(swrast,ctx);
+   swrast_render_finish(ctx);
 }
 #endif