Merge branch '7.8'

[mesa.git] / src / mesa / state_tracker / st_cb_drawpixels.c

diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index 36c0a2b0e1e8669ea5ed9664897328bfb471812a..5f23e8afed3f620124eb4977662d4693855377de 100644 (file)
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -319,7 +319,7 @@ make_texture(struct st_context *st,
 
    pipeFormat = st_mesa_format_to_pipe_format(mformat);
    assert(pipeFormat);
-   cpp = st_sizeof_format(pipeFormat);
+   cpp = util_format_get_blocksize(pipeFormat);
 
    pixels = _mesa_map_pbo_source(ctx, unpack, pixels);
    if (!pixels)
@@ -405,7 +405,7 @@ make_texture(struct st_context *st,
 
 /**
  * Draw quad with texcoords and optional color.
- * Coords are window coords with y=0=bottom.
+ * Coords are gallium window coords with y=0=top.
  * \param color  may be null
  * \param invertTex  if true, flip texcoords vertically
  */
@@ -529,6 +529,7 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
    cso_save_sampler_textures(cso);
    cso_save_fragment_shader(cso);
    cso_save_vertex_shader(cso);
+   cso_save_vertex_elements(cso);
 
    /* rasterizer state: just scissor */
    {
@@ -572,15 +573,17 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
       struct pipe_viewport_state vp;
       vp.scale[0] =  0.5f * w;
       vp.scale[1] = -0.5f * h;
-      vp.scale[2] = 1.0f;
+      vp.scale[2] = 0.5f;
       vp.scale[3] = 1.0f;
       vp.translate[0] = 0.5f * w;
       vp.translate[1] = 0.5f * h;
-      vp.translate[2] = 0.0f;
+      vp.translate[2] = 0.5f;
       vp.translate[3] = 0.0f;
       cso_set_viewport(cso, &vp);
    }
 
+   cso_set_vertex_elements(cso, 3, st->velems_util_draw);
+
    /* texture state: */
    if (st->pixel_xfer.pixelmap_enabled) {
       struct pipe_texture *textures[2];
@@ -592,15 +595,23 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
       pipe->set_fragment_sampler_textures(pipe, 1, &pt);
    }
 
-   /* Compute window coords (y=0=bottom) with pixel zoom.
+   /* Compute Gallium window coords (y=0=top) with pixel zoom.
     * Recall that these coords are transformed by the current
     * vertex shader and viewport transformation.
     */
+   if (st_fb_orientation(ctx->DrawBuffer) == Y_0_BOTTOM) {
+      y = ctx->DrawBuffer->Height - (int) (y + height * ctx->Pixel.ZoomY);
+      invertTex = !invertTex;
+   }
+
    x0 = (GLfloat) x;
    x1 = x + width * ctx->Pixel.ZoomX;
    y0 = (GLfloat) y;
    y1 = y + height * ctx->Pixel.ZoomY;
 
+   /* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */
+   z = z * 2.0 - 1.0;
+
    draw_quad(ctx, x0, y0, z, x1, y1, color, invertTex,
             (GLfloat) width / pt->width0,
             (GLfloat) height / pt->height0);
@@ -612,6 +623,7 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
    cso_restore_sampler_textures(cso);
    cso_restore_fragment_shader(cso);
    cso_restore_vertex_shader(cso);
+   cso_restore_vertex_elements(cso);
 }
 
 
@@ -710,7 +722,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
                   memcpy(dest, sValues, spanWidth);
                }
                break;
-            case PIPE_FORMAT_S8Z24_UNORM:
+            case PIPE_FORMAT_Z24S8_UNORM:
                if (format == GL_DEPTH_STENCIL) {
                   uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
                   GLint k;
@@ -728,7 +740,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
                   }
                }
                break;
-            case PIPE_FORMAT_Z24S8_UNORM:
+            case PIPE_FORMAT_S8Z24_UNORM:
                if (format == GL_DEPTH_STENCIL) {
                   uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
                   GLint k;
@@ -828,7 +840,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
    ubyte *buffer;
    int i;
 
-   buffer = _mesa_malloc(width * height * sizeof(ubyte));
+   buffer = malloc(width * height * sizeof(ubyte));
    if (!buffer) {
       _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels(stencil)");
       return;
@@ -876,7 +888,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
       src = buffer + i * width;
 
       switch (ptDraw->texture->format) {
-      case PIPE_FORMAT_S8Z24_UNORM:
+      case PIPE_FORMAT_Z24S8_UNORM:
          {
             uint *dst4 = (uint *) dst;
             int j;
@@ -887,7 +899,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
             }
          }
          break;
-      case PIPE_FORMAT_Z24S8_UNORM:
+      case PIPE_FORMAT_S8Z24_UNORM:
          {
             uint *dst4 = (uint *) dst;
             int j;
@@ -907,7 +919,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
       }
    }
 
-   _mesa_free(buffer);
+   free(buffer);
 
    /* unmap the stencil buffer */
    screen->transfer_unmap(screen, ptDraw);
@@ -929,6 +941,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
    GLfloat *color;
    enum pipe_format srcFormat, texFormat;
    int ptw, pth;
+   GLboolean invertTex = GL_FALSE;
 
    pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
 
@@ -1004,8 +1017,8 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
       }
    }
 
-   if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
-      srcy = ctx->DrawBuffer->Height - srcy - height;
+   if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
+      srcy = ctx->ReadBuffer->Height - srcy - height;
 
       if (srcy < 0) {
          height -= -srcy;
@@ -1014,6 +1027,8 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
 
       if (height < 0)
          return;
+
+      invertTex = !invertTex;
    }
 
    /* Need to use POT texture? */
@@ -1043,7 +1058,9 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
    if (!pt)
       return;
 
-
+   /* Make temporary texture which is a copy of the src region.
+    * We'll draw a quad with this texture to draw the dest image.
+    */
    if (srcFormat == texFormat) {
       /* copy source framebuffer surface into mipmap/texture */
       struct pipe_surface *psRead = screen->get_tex_surface(screen,
@@ -1064,6 +1081,13 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
                            psRead,
                            srcx, srcy, width, height);
       }
+
+      if (0) {
+         /* debug */
+         debug_dump_surface("copypixsrcsurf", psRead);
+         debug_dump_surface("copypixtemptex", psTex);
+      }
+
       pipe_surface_reference(&psRead, NULL); 
       pipe_surface_reference(&psTex, NULL);
    }
@@ -1089,19 +1113,19 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
 
       if (type == GL_COLOR) {
          /* alternate path using get/put_tile() */
-         GLfloat *buf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
+         GLfloat *buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
 
          pipe_get_tile_rgba(ptRead, 0, 0, width, height, buf);
          pipe_put_tile_rgba(ptTex, 0, 0, width, height, buf);
 
-         _mesa_free(buf);
+         free(buf);
       }
       else {
          /* GL_DEPTH */
-         GLuint *buf = (GLuint *) _mesa_malloc(width * height * sizeof(GLuint));
+         GLuint *buf = (GLuint *) malloc(width * height * sizeof(GLuint));
          pipe_get_tile_z(ptRead, 0, 0, width, height, buf);
          pipe_put_tile_z(ptTex, 0, 0, width, height, buf);
-         _mesa_free(buf);
+         free(buf);
       }
 
       screen->tex_transfer_destroy(ptRead);
@@ -1114,7 +1138,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
                       pt, 
                       driver_vp, 
                       driver_fp,
-                      color, GL_TRUE);
+                      color, invertTex);
 
    pipe_texture_reference(&pt, NULL);
 }