Merge branch 'mesa_7_6_branch'
[mesa.git] / src / mesa / drivers / dri / intel / intel_pixel_bitmap.c
index b20840b9a061d0ddd622db43c83fce8b27a56f0d..9a0bcc07a5bdc92708d0215ef3eab96c036b6432 100644 (file)
@@ -42,6 +42,7 @@
 #include "main/varray.h"
 #include "main/attrib.h"
 #include "main/enable.h"
+#include "main/viewport.h"
 #include "shader/arbprogram.h"
 #include "glapi/dispatch.h"
 #include "swrast/swrast.h"
@@ -92,19 +93,12 @@ static const GLubyte *map_pbo( GLcontext *ctx,
    return ADD_POINTERS(buf, bitmap);
 }
 
-static GLboolean test_bit( const GLubyte *src,
-                           GLuint bit )
+static GLboolean test_bit( const GLubyte *src, GLuint bit )
 {
    return (src[bit/8] & (1<<(bit % 8))) ? 1 : 0;
 }
 
-static GLboolean test_msb_bit(const GLubyte *src, GLuint bit)
-{
-   return (src[bit/8] & (1<<(7 - (bit % 8)))) ? 1 : 0;
-}
-
-static void set_bit( GLubyte *dest,
-                         GLuint bit )
+static void set_bit( GLubyte *dest, GLuint bit )
 {
    dest[bit/8] |= 1 << (bit % 8);
 }
@@ -194,7 +188,7 @@ do_blit_bitmap( GLcontext *ctx,
    struct gl_framebuffer *fb = ctx->DrawBuffer;
    GLfloat tmpColor[4];
    GLubyte ubcolor[4];
-   GLuint color8888, color565;
+   GLuint color;
    unsigned int num_cliprects;
    drm_clip_rect_t *cliprects;
    int x_off, y_off;
@@ -215,7 +209,7 @@ do_blit_bitmap( GLcontext *ctx,
    if (!dst)
        return GL_FALSE;
 
-   if (unpack->BufferObj->Name) {
+   if (_mesa_is_bufferobj(unpack->BufferObj)) {
       bitmap = map_pbo(ctx, width, height, unpack, bitmap);
       if (bitmap == NULL)
         return GL_TRUE;        /* even though this is an error, we're done */
@@ -232,8 +226,11 @@ do_blit_bitmap( GLcontext *ctx,
    UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[2], tmpColor[2]);
    UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[3], tmpColor[3]);
 
-   color8888 = INTEL_PACKCOLOR8888(ubcolor[0], ubcolor[1], ubcolor[2], ubcolor[3]);
-   color565 = INTEL_PACKCOLOR565(ubcolor[0], ubcolor[1], ubcolor[2]);
+   if (dst->cpp == 2)
+      color = INTEL_PACKCOLOR565(ubcolor[0], ubcolor[1], ubcolor[2]);
+   else
+      color = INTEL_PACKCOLOR8888(ubcolor[0], ubcolor[1],
+                                 ubcolor[2], ubcolor[3]);
 
    if (!intel_check_blit_fragment_ops(ctx, tmpColor[3] == 1.0F))
       return GL_FALSE;
@@ -307,21 +304,21 @@ do_blit_bitmap( GLcontext *ctx,
                                   fb->Name == 0 ? GL_TRUE : GL_FALSE) == 0)
                  continue;
 
-              /* 
-               */
-              intelEmitImmediateColorExpandBlit( intel,
-                                                 dst->cpp,
-                                                 (GLubyte *)stipple, 
-                                                 sz,
-                                                 (dst->cpp == 2) ? color565 : color8888,
-                                                 dst->pitch,
-                                                 dst->buffer,
-                                                 0,
-                                                 dst->tiling,
-                                                 box_x + px,
-                                                 box_y + py,
-                                                 w, h,
-                                                 logic_op);
+              if (!intelEmitImmediateColorExpandBlit(intel,
+                                                     dst->cpp,
+                                                     (GLubyte *)stipple,
+                                                     sz,
+                                                     color,
+                                                     dst->pitch,
+                                                     dst->buffer,
+                                                     0,
+                                                     dst->tiling,
+                                                     box_x + px,
+                                                     box_y + py,
+                                                     w, h,
+                                                     logic_op)) {
+                 return GL_FALSE;
+              }
            } 
         } 
       }
@@ -332,7 +329,7 @@ out:
    if (INTEL_DEBUG & DEBUG_SYNC)
       intel_batchbuffer_flush(intel->batch);
 
-   if (unpack->BufferObj->Name) {
+   if (_mesa_is_bufferobj(unpack->BufferObj)) {
       /* done with PBO so unmap it now */
       ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
                               unpack->BufferObj);
@@ -361,9 +358,7 @@ intel_texture_bitmap(GLcontext * ctx,
    GLuint texname;
    GLfloat vertices[4][4];
    GLint old_active_texture;
-   GLubyte *unpacked_bitmap;
    GLubyte *a8_bitmap;
-   int x, y;
    GLfloat dst_z;
 
    /* We need a fragment program for the KIL effect */
@@ -400,6 +395,20 @@ intel_texture_bitmap(GLcontext * ctx,
       return GL_FALSE;
    }
 
+   if (!ctx->Extensions.ARB_texture_non_power_of_two &&
+       (!is_power_of_two(width) || !is_power_of_two(height))) {
+      if (INTEL_DEBUG & DEBUG_FALLBACKS)
+        fprintf(stderr,
+                "glBitmap() fallback: NPOT texture\n");
+      return GL_FALSE;
+   }
+
+   if (ctx->Fog.Enabled) {
+      if (INTEL_DEBUG & DEBUG_FALLBACKS)
+        fprintf(stderr, "glBitmap() fallback: fog\n");
+      return GL_FALSE;
+   }
+
    /* Check that we can load in a texture this big. */
    if (width > (1 << (ctx->Const.MaxTextureLevels - 1)) ||
        height > (1 << (ctx->Const.MaxTextureLevels - 1))) {
@@ -409,23 +418,17 @@ intel_texture_bitmap(GLcontext * ctx,
       return GL_FALSE;
    }
 
-   /* Convert the A1 bitmap to an A8 format suitable for glTexImage */
-   if (unpack->BufferObj->Name) {
+   if (_mesa_is_bufferobj(unpack->BufferObj)) {
       bitmap = map_pbo(ctx, width, height, unpack, bitmap);
       if (bitmap == NULL)
         return GL_TRUE;        /* even though this is an error, we're done */
    }
-   unpacked_bitmap = _mesa_unpack_bitmap(width, height, bitmap,
-                                        unpack);
+
+   /* Convert the A1 bitmap to an A8 format suitable for glTexImage */
    a8_bitmap = _mesa_calloc(width * height);
-   for (y = 0; y < height; y++) {
-      for (x = 0; x < width; x++) {
-        if (test_msb_bit(unpacked_bitmap, ALIGN(width, 8) * y + x))
-           a8_bitmap[y * width + x] = 0xff;
-      }
-   }
-   _mesa_free(unpacked_bitmap);
-   if (unpack->BufferObj->Name) {
+   _mesa_expand_bitmap(width, height, unpack, bitmap, a8_bitmap, width, 0xff);
+
+   if (_mesa_is_bufferobj(unpack->BufferObj)) {
       /* done with PBO so unmap it now */
       ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
                               unpack->BufferObj);
@@ -458,15 +461,18 @@ intel_texture_bitmap(GLcontext * ctx,
                    GL_ALPHA, GL_UNSIGNED_BYTE, a8_bitmap);
    _mesa_free(a8_bitmap);
 
-   intel_meta_set_fragment_program(intel, &intel->meta.bitmap_fp, fp);
+   meta_set_fragment_program(&intel->meta, &intel->meta.bitmap_fp, fp);
    _mesa_ProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, 0,
                                     ctx->Current.RasterColor);
-   intel_meta_set_passthrough_vertex_program(intel);
-   intel_meta_set_passthrough_transform(intel);
+   meta_set_passthrough_vertex_program(&intel->meta);
+   meta_set_passthrough_transform(&intel->meta);
 
    /* convert rasterpos Z from [0,1] to NDC coord in [-1,1] */
    dst_z = -1.0 + 2.0 * ctx->Current.RasterPos[2];
 
+   /* RasterPos[2] already takes into account the DepthRange mapping. */
+   _mesa_DepthRange(0.0, 1.0);
+
    vertices[0][0] = dst_x;
    vertices[0][1] = dst_y;
    vertices[0][2] = dst_z;
@@ -486,13 +492,13 @@ intel_texture_bitmap(GLcontext * ctx,
 
    _mesa_VertexPointer(4, GL_FLOAT, 4 * sizeof(GLfloat), &vertices);
    _mesa_Enable(GL_VERTEX_ARRAY);
-   intel_meta_set_default_texrect(intel);
-   CALL_DrawArrays(ctx->Exec, (GL_TRIANGLE_FAN, 0, 4));
+   meta_set_default_texrect(&intel->meta);
+   _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
 
-   intel_meta_restore_texcoords(intel);
-   intel_meta_restore_transform(intel);
-   intel_meta_restore_fragment_program(intel);
-   intel_meta_restore_vertex_program(intel);
+   meta_restore_texcoords(&intel->meta);
+   meta_restore_transform(&intel->meta);
+   meta_restore_fragment_program(&intel->meta);
+   meta_restore_vertex_program(&intel->meta);
 
    _mesa_PopClientAttrib();
    _mesa_Disable(GL_TEXTURE_2D); /* asserted that it was disabled at entry */