diff options
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp index 171f0637c43..be6b8acecef 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp @@ -1486,15 +1486,28 @@ fs_visitor::rescale_texcoord(ir_texture *ir, fs_reg coordinate, return coordinate; } - scale_x = fs_reg(UNIFORM, uniforms); - scale_y = fs_reg(UNIFORM, uniforms + 1); - GLuint index = _mesa_add_state_reference(params, (gl_state_index *)tokens); - stage_prog_data->param[uniforms++] = - &prog->Parameters->ParameterValues[index][0].f; - stage_prog_data->param[uniforms++] = - &prog->Parameters->ParameterValues[index][1].f; + /* Try to find existing copies of the texrect scale uniforms. */ + for (unsigned i = 0; i < uniforms; i++) { + if (stage_prog_data->param[i] == + &prog->Parameters->ParameterValues[index][0].f) { + scale_x = fs_reg(UNIFORM, i); + scale_y = fs_reg(UNIFORM, i + 1); + break; + } + } + + /* If we didn't already set them up, do so now. */ + if (scale_x.file == BAD_FILE) { + scale_x = fs_reg(UNIFORM, uniforms); + scale_y = fs_reg(UNIFORM, uniforms + 1); + + stage_prog_data->param[uniforms++] = + &prog->Parameters->ParameterValues[index][0].f; + stage_prog_data->param[uniforms++] = + &prog->Parameters->ParameterValues[index][1].f; + } } /* The 965 requires the EU to do the normalization of GL rectangle |