r600/sfn: Handle number of color outputs taking dual source blending into account

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6814>

diff --git a/src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp b/src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp
index 4f94e60..154bfb9 100644 (file)
--- a/src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp
+++ b/src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp
@@ -284,14 +284,14 @@ void FragmentShaderFromNir::emit_shader_start()
 bool FragmentShaderFromNir::do_emit_store_deref(const nir_variable *out_var, nir_intrinsic_instr* instr)
 {
    if (out_var->data.location == FRAG_RESULT_COLOR)
-      return emit_export_pixel(out_var, instr, true);
+      return emit_export_pixel(out_var, instr, m_dual_source_blend ? 1 : m_max_color_exports);
 
    if ((out_var->data.location >= FRAG_RESULT_DATA0 &&
         out_var->data.location <= FRAG_RESULT_DATA7) ||
        out_var->data.location == FRAG_RESULT_DEPTH ||
        out_var->data.location == FRAG_RESULT_STENCIL ||
        out_var->data.location == FRAG_RESULT_SAMPLE_MASK)
-      return emit_export_pixel(out_var, instr, false);
+      return emit_export_pixel(out_var, instr, 1);
 
    sfn_log << SfnLog::err << "r600-NIR: Unimplemented store_deref for " <<
               out_var->data.location << "(" << out_var->data.driver_location << ")\n";

diff --git a/src/gallium/drivers/r600/sfn/sfn_shader_fragment.h b/src/gallium/drivers/r600/sfn/sfn_shader_fragment.h
index 76b3538..3eac81f 100644 (file)
--- a/src/gallium/drivers/r600/sfn/sfn_shader_fragment.h
+++ b/src/gallium/drivers/r600/sfn/sfn_shader_fragment.h
@@ -54,7 +54,7 @@ private:
    bool do_process_outputs(nir_variable *output) override;
    bool do_emit_load_deref(const nir_variable *in_var, nir_intrinsic_instr* instr) override;
    bool do_emit_store_deref(const nir_variable *out_var, nir_intrinsic_instr* instr) override;
-   bool emit_export_pixel(const nir_variable *, nir_intrinsic_instr* instr, bool all_chanels);
+   bool emit_export_pixel(const nir_variable *, nir_intrinsic_instr* instr, int outputs);
    bool load_interpolated(GPRVector &dest, ShaderInput &io, const Interpolator& ip,
                           int num_components, int start_comp);
    bool load_interpolated_one_comp(GPRVector &dest, ShaderInput& io, const Interpolator& ip, EAluOp op);