+ FLUSH_CURRENT( ctx, 0 );
+ FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_DRAW_PIXEL_TOKEN );
+ _mesa_feedback_vertex( ctx,
+ ctx->Current.RasterPos,
+ ctx->Current.RasterColor,
+ ctx->Current.RasterIndex,
+ ctx->Current.RasterTexCoords[0] );
+ }
+ }
+ else if (ctx->RenderMode==GL_SELECT) {
+ if (ctx->Current.RasterPosValid) {
+ _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] );
+ }
+ }
+}
+
+void GLAPIENTRY
+_mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height,
+ GLenum type )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLint destx, desty;
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (width < 0 || height < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glCopyPixels(width or height < 0)" );
+ return;
+ }
+
+ if (ctx->NewState) {
+ _mesa_update_state(ctx);
+ }
+
+ if (ctx->RenderMode==GL_RENDER) {
+ /* Destination of copy: */
+ if (!ctx->Current.RasterPosValid) {
+ return;
+ }
+
+ /* Round, to satisfy conformance tests (matches SGI's OpenGL) */
+ destx = IROUND(ctx->Current.RasterPos[0]);
+ desty = IROUND(ctx->Current.RasterPos[1]);
+
+ ctx->OcclusionResult = GL_TRUE;
+
+ ctx->Driver.CopyPixels( ctx, srcx, srcy, width, height, destx, desty,
+ type );
+ }
+ else if (ctx->RenderMode == GL_FEEDBACK) {
+ if (ctx->Current.RasterPosValid) {
+ FLUSH_CURRENT( ctx, 0 );
+ FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_COPY_PIXEL_TOKEN );
+ _mesa_feedback_vertex( ctx,
+ ctx->Current.RasterPos,
+ ctx->Current.RasterColor,
+ ctx->Current.RasterIndex,
+ ctx->Current.RasterTexCoords[0] );
+ }
+ }
+ else if (ctx->RenderMode == GL_SELECT) {
+ _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] );
+ }
+}
+
+#endif
+
+
+
+void GLAPIENTRY
+_mesa_ReadPixels( GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type, GLvoid *pixels )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (width < 0 || height < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE,
+ "glReadPixels(width=%d height=%d)", width, height );
+ return;
+ }
+
+ if (!pixels) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glReadPixels(pixels)" );
+ return;
+ }
+
+ if (ctx->NewState)
+ _mesa_update_state(ctx);
+
+ ctx->Driver.ReadPixels(ctx, x, y, width, height,
+ format, type, &ctx->Pack, pixels);
+}
+