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@@ -280,176 +280,6 @@ CLP(GraphicsStateGuardian)::
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}
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}
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-////////////////////////////////////////////////////////////////////
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-// GL stencil code section
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-////////////////////////////////////////////////////////////////////
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-
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-static int gl_stencil_comparison_function_array [ ] =
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-{
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- GL_NEVER,
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- GL_LESS,
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- GL_EQUAL,
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- GL_LEQUAL,
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- GL_GREATER,
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- GL_NOTEQUAL,
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- GL_GEQUAL,
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- GL_ALWAYS,
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-};
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-
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-static int gl_stencil_operations_array [ ] =
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-{
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- GL_KEEP,
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- GL_ZERO,
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- GL_REPLACE,
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- GL_INCR_WRAP,
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- GL_DECR_WRAP,
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- GL_INVERT,
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-
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- GL_INCR,
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- GL_DECR,
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-};
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-
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-void __glActiveStencilFace (GraphicsStateGuardian *gsg, GLenum face) {
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- CLP(GraphicsStateGuardian) *glgsg;
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-
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- glgsg = (CLP(GraphicsStateGuardian) *) gsg;
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- if (gsg -> get_supports_two_sided_stencil ( ) &&
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- glgsg -> _glActiveStencilFaceEXT) {
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- if (face == GL_FRONT) {
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- // glActiveStencilFaceEXT (GL_FRONT);
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- glgsg -> _glActiveStencilFaceEXT (GL_FRONT);
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- }
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- else {
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- // glActiveStencilFaceEXT (GL_BACK);
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- glgsg -> _glActiveStencilFaceEXT (GL_BACK);
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- }
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- }
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-}
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-
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-void gl_front_stencil_function (StencilRenderStates::StencilRenderState stencil_render_state, StencilRenderStates *stencil_render_states) {
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-
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- __glActiveStencilFace (stencil_render_states -> _gsg, GL_FRONT);
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- glStencilFunc
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- (
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- gl_stencil_comparison_function_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_front_comparison_function)],
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- stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_reference),
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- stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_read_mask)
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- );
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-}
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-void gl_front_stencil_operation (StencilRenderStates::StencilRenderState stencil_render_state, StencilRenderStates *stencil_render_states) {
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- __glActiveStencilFace (stencil_render_states -> _gsg, GL_FRONT);
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- glStencilOp
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- (
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- gl_stencil_operations_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_front_stencil_fail_operation)],
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- gl_stencil_operations_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_front_stencil_pass_z_fail_operation)],
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- gl_stencil_operations_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_front_stencil_pass_z_pass_operation)]
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- );
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-}
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-
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-void gl_back_stencil_function (StencilRenderStates::StencilRenderState stencil_render_state, StencilRenderStates *stencil_render_states) {
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-
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- bool supports_two_sided_stencil;
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-
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- supports_two_sided_stencil = stencil_render_states -> _gsg -> get_supports_two_sided_stencil ( );
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- if (supports_two_sided_stencil) {
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- __glActiveStencilFace (stencil_render_states -> _gsg, GL_BACK);
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- glStencilFunc
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- (
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- gl_stencil_comparison_function_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_back_comparison_function)],
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- stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_reference),
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- stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_read_mask)
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- );
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- }
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-}
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-
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-void gl_back_stencil_operation (StencilRenderStates::StencilRenderState stencil_render_state, StencilRenderStates *stencil_render_states) {
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-
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- bool supports_two_sided_stencil;
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-
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- supports_two_sided_stencil = stencil_render_states -> _gsg -> get_supports_two_sided_stencil ( );
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- if (supports_two_sided_stencil) {
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- __glActiveStencilFace (stencil_render_states -> _gsg, GL_BACK);
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- glStencilOp
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- (
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- gl_stencil_operations_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_back_stencil_fail_operation)],
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- gl_stencil_operations_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_back_stencil_pass_z_fail_operation)],
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- gl_stencil_operations_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_back_stencil_pass_z_pass_operation)]
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- );
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- }
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-}
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-
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-void gl_front_back_stencil_function (StencilRenderStates::StencilRenderState stencil_render_state, StencilRenderStates *stencil_render_states) {
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- gl_front_stencil_function (stencil_render_state, stencil_render_states);
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- gl_back_stencil_function (stencil_render_state, stencil_render_states);
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-}
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-
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-void gl_stencil_function (StencilRenderStates::StencilRenderState stencil_render_state, StencilRenderStates *stencil_render_states) {
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-
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- StencilType render_state_value;
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- bool supports_two_sided_stencil;
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-
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- supports_two_sided_stencil = stencil_render_states -> _gsg -> get_supports_two_sided_stencil ( );
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-
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- render_state_value = stencil_render_states -> get_stencil_render_state (stencil_render_state);
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- switch (stencil_render_state)
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- {
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- case StencilRenderStates::SRS_clear_value:
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- stencil_render_states -> _gsg -> set_stencil_clear_value (render_state_value);
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- break;
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-
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- case StencilRenderStates::SRS_write_mask:
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- glStencilMask (render_state_value);
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- break;
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- case StencilRenderStates::SRS_front_enable:
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- if (render_state_value) {
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- glEnable (GL_STENCIL_TEST);
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- }
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- else {
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- glDisable (GL_STENCIL_TEST);
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- }
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- break;
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- case StencilRenderStates::SRS_back_enable:
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- if (supports_two_sided_stencil) {
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- if (render_state_value) {
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- glEnable (GL_STENCIL_TEST_TWO_SIDE_EXT);
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- }
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- else {
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- glDisable (GL_STENCIL_TEST_TWO_SIDE_EXT);
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- }
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- }
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- break;
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-
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- default:
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- break;
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- }
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-}
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-
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-void gl_set_stencil_functions (StencilRenderStates *stencil_render_states) {
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-
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- if (stencil_render_states) {
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_clear_value, gl_stencil_function);
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-
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- // GL seems to support different read masks and/or reference values for front and back, but DX does not.
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- // This needs to be cross-platform so do it the DX way by setting the same read mask and reference for both front and back.
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_reference, gl_front_back_stencil_function);
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_read_mask, gl_front_back_stencil_function);
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-
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_write_mask, gl_stencil_function);
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-
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_front_enable, gl_stencil_function);
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_front_comparison_function, gl_front_stencil_function);
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_front_stencil_fail_operation, gl_front_stencil_operation);
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_front_stencil_pass_z_fail_operation, gl_front_stencil_operation);
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_front_stencil_pass_z_pass_operation, gl_front_stencil_operation);
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-
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_back_enable, gl_stencil_function);
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_back_comparison_function, gl_back_stencil_function);
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_back_stencil_fail_operation, gl_back_stencil_operation);
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_back_stencil_pass_z_fail_operation, gl_back_stencil_operation);
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- stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_back_stencil_pass_z_pass_operation, gl_back_stencil_operation);
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- }
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-}
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-
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////////////////////////////////////////////////////////////////////
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// Function: GLGraphicsStateGuardian::reset
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// Access: Public, Virtual
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@@ -1262,6 +1092,7 @@ reset() {
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report_my_gl_errors();
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+ void gl_set_stencil_functions (StencilRenderStates *stencil_render_states);
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gl_set_stencil_functions (_stencil_render_states);
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}
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@@ -1295,7 +1126,7 @@ do_clear(const RenderBuffer &buffer) {
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}
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if (buffer_type & RenderBuffer::T_stencil) {
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- GLP(ClearStencil)(_stencil_clear_value != false);
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+ GLP(ClearStencil)(_stencil_clear_value);
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mask |= GL_STENCIL_BUFFER_BIT;
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}
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@@ -5848,6 +5679,11 @@ set_state_and_transform(const RenderState *target,
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_state._tex_gen = _target._tex_gen;
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}
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+ if (_target._stencil != _state._stencil) {
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+ do_issue_stencil();
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+ _state._stencil = _target._stencil;
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+ }
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+
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_state_rs = _target_rs;
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}
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@@ -7352,3 +7188,251 @@ bind_fbo(GLuint fbo) {
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_current_fbo = fbo;
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}
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+
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+////////////////////////////////////////////////////////////////////
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+// GL stencil code section
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+////////////////////////////////////////////////////////////////////
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+
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+static int gl_stencil_comparison_function_array [ ] =
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+{
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+ GL_NEVER,
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+ GL_LESS,
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+ GL_EQUAL,
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+ GL_LEQUAL,
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+ GL_GREATER,
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+ GL_NOTEQUAL,
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+ GL_GEQUAL,
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+ GL_ALWAYS,
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+};
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+
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+static int gl_stencil_operations_array [ ] =
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+{
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+ GL_KEEP,
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+ GL_ZERO,
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+ GL_REPLACE,
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+ GL_INCR_WRAP,
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+ GL_DECR_WRAP,
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+ GL_INVERT,
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+
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+ GL_INCR,
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+ GL_DECR,
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+};
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+
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+void __glActiveStencilFace (GraphicsStateGuardian *gsg, GLenum face) {
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+ CLP(GraphicsStateGuardian) *glgsg;
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+
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+ glgsg = (CLP(GraphicsStateGuardian) *) gsg;
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+ if (gsg -> get_supports_two_sided_stencil ( ) &&
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+ glgsg -> _glActiveStencilFaceEXT) {
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+ if (face == GL_FRONT) {
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+ // glActiveStencilFaceEXT (GL_FRONT);
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+ glgsg -> _glActiveStencilFaceEXT (GL_FRONT);
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+ }
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+ else {
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+ // glActiveStencilFaceEXT (GL_BACK);
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+ glgsg -> _glActiveStencilFaceEXT (GL_BACK);
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+ }
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+ }
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+}
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+
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+void gl_front_stencil_function (StencilRenderStates::StencilRenderState stencil_render_state, StencilRenderStates *stencil_render_states) {
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+
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+ __glActiveStencilFace (stencil_render_states -> _gsg, GL_FRONT);
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+ glStencilFunc
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+ (
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+ gl_stencil_comparison_function_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_front_comparison_function)],
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+ stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_reference),
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+ stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_read_mask)
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+ );
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+}
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+void gl_front_stencil_operation (StencilRenderStates::StencilRenderState stencil_render_state, StencilRenderStates *stencil_render_states) {
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+ __glActiveStencilFace (stencil_render_states -> _gsg, GL_FRONT);
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+ glStencilOp
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+ (
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+ gl_stencil_operations_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_front_stencil_fail_operation)],
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+ gl_stencil_operations_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_front_stencil_pass_z_fail_operation)],
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+ gl_stencil_operations_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_front_stencil_pass_z_pass_operation)]
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+ );
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+}
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+
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+void gl_back_stencil_function (StencilRenderStates::StencilRenderState stencil_render_state, StencilRenderStates *stencil_render_states) {
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+
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+ bool supports_two_sided_stencil;
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+
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+ supports_two_sided_stencil = stencil_render_states -> _gsg -> get_supports_two_sided_stencil ( );
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+ if (supports_two_sided_stencil) {
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+ __glActiveStencilFace (stencil_render_states -> _gsg, GL_BACK);
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+ glStencilFunc
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+ (
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+ gl_stencil_comparison_function_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_back_comparison_function)],
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+ stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_reference),
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+ stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_read_mask)
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+ );
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+ }
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+}
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+
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+void gl_back_stencil_operation (StencilRenderStates::StencilRenderState stencil_render_state, StencilRenderStates *stencil_render_states) {
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+
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+ bool supports_two_sided_stencil;
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+
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+ supports_two_sided_stencil = stencil_render_states -> _gsg -> get_supports_two_sided_stencil ( );
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+ if (supports_two_sided_stencil) {
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+ __glActiveStencilFace (stencil_render_states -> _gsg, GL_BACK);
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+ glStencilOp
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+ (
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+ gl_stencil_operations_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_back_stencil_fail_operation)],
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+ gl_stencil_operations_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_back_stencil_pass_z_fail_operation)],
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+ gl_stencil_operations_array [stencil_render_states -> get_stencil_render_state (StencilRenderStates::SRS_back_stencil_pass_z_pass_operation)]
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+ );
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+ }
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+}
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+
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+void gl_front_back_stencil_function (StencilRenderStates::StencilRenderState stencil_render_state, StencilRenderStates *stencil_render_states) {
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+ gl_front_stencil_function (stencil_render_state, stencil_render_states);
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+ gl_back_stencil_function (stencil_render_state, stencil_render_states);
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+}
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+
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+void gl_stencil_function (StencilRenderStates::StencilRenderState stencil_render_state, StencilRenderStates *stencil_render_states) {
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+
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+ StencilType render_state_value;
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+ bool supports_two_sided_stencil;
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+
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+ supports_two_sided_stencil = stencil_render_states -> _gsg -> get_supports_two_sided_stencil ( );
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+
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+ render_state_value = stencil_render_states -> get_stencil_render_state (stencil_render_state);
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+ switch (stencil_render_state)
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+ {
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+ case StencilRenderStates::SRS_front_enable:
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+ if (render_state_value) {
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+ glEnable (GL_STENCIL_TEST);
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+ }
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+ else {
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+ glDisable (GL_STENCIL_TEST);
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+ }
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+ break;
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+ case StencilRenderStates::SRS_back_enable:
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+ if (supports_two_sided_stencil) {
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+ if (render_state_value) {
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+ glEnable (GL_STENCIL_TEST_TWO_SIDE_EXT);
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+ }
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+ else {
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+ glDisable (GL_STENCIL_TEST_TWO_SIDE_EXT);
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+ }
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+ }
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+ break;
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+
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+ case StencilRenderStates::SRS_write_mask:
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+ glStencilMask (render_state_value);
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+ break;
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+
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+ default:
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+ break;
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+ }
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+}
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+
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+void gl_set_stencil_functions (StencilRenderStates *stencil_render_states) {
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+
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+ if (stencil_render_states) {
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_front_enable, gl_stencil_function);
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_back_enable, gl_stencil_function);
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+
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_front_comparison_function, gl_front_stencil_function);
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_front_stencil_fail_operation, gl_front_stencil_operation);
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_front_stencil_pass_z_fail_operation, gl_front_stencil_operation);
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_front_stencil_pass_z_pass_operation, gl_front_stencil_operation);
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+
|
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+ // GL seems to support different read masks and/or reference values for front and back, but DX does not.
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+ // This needs to be cross-platform so do it the DX way by setting the same read mask and reference for both front and back.
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_reference, gl_front_back_stencil_function);
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_read_mask, gl_front_back_stencil_function);
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+
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_write_mask, gl_stencil_function);
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+
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_back_comparison_function, gl_back_stencil_function);
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_back_stencil_fail_operation, gl_back_stencil_operation);
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_back_stencil_pass_z_fail_operation, gl_back_stencil_operation);
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+ stencil_render_states -> set_stencil_function (StencilRenderStates::SRS_back_stencil_pass_z_pass_operation, gl_back_stencil_operation);
|
|
|
+ }
|
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+}
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+
|
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+////////////////////////////////////////////////////////////////////
|
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|
+// Function: GLGraphicsStateGuardian::do_issue_stencil
|
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+// Access: Protected
|
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|
+// Description: Set stencil render states.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+void CLP(GraphicsStateGuardian)::
|
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|
+do_issue_stencil() {
|
|
|
+ const StencilAttrib *stencil;
|
|
|
+ StencilRenderStates *stencil_render_states;
|
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|
+
|
|
|
+ stencil = _target._stencil;
|
|
|
+ stencil_render_states = this -> _stencil_render_states;
|
|
|
+ if (stencil && stencil_render_states) {
|
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+
|
|
|
+#ifndef NDEBUG
|
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|
+ // DEBUG ONLY
|
|
|
+ if (stencil -> _pre) {
|
|
|
+ GLCAT.error() << "Invalid StencilAttrib\n";
|
|
|
+ }
|
|
|
+#endif
|
|
|
+
|
|
|
+ // DEBUG
|
|
|
+ if (false) {
|
|
|
+ GLCAT.debug() << "STENCIL STATE CHANGE\n";
|
|
|
+ GLCAT.debug() << "\n"
|
|
|
+ << "SRS_front_enable " << stencil -> get_render_state (StencilAttrib::SRS_front_enable) << "\n"
|
|
|
+ << "SRS_back_enable " << stencil -> get_render_state (StencilAttrib::SRS_back_enable) << "\n"
|
|
|
+ << "SRS_front_comparison_function " << stencil -> get_render_state (StencilAttrib::SRS_front_comparison_function) << "\n"
|
|
|
+ << "SRS_front_stencil_fail_operation " << stencil -> get_render_state (StencilAttrib::SRS_front_stencil_fail_operation) << "\n"
|
|
|
+ << "SRS_front_stencil_pass_z_fail_operation " << stencil -> get_render_state (StencilAttrib::SRS_front_stencil_pass_z_fail_operation) << "\n"
|
|
|
+ << "SRS_front_stencil_pass_z_pass_operation " << stencil -> get_render_state (StencilAttrib::SRS_front_stencil_pass_z_pass_operation) << "\n"
|
|
|
+ << "SRS_reference " << stencil -> get_render_state (StencilAttrib::SRS_reference) << "\n"
|
|
|
+ << "SRS_read_mask " << stencil -> get_render_state (StencilAttrib::SRS_read_mask) << "\n"
|
|
|
+ << "SRS_write_mask " << stencil -> get_render_state (StencilAttrib::SRS_write_mask) << "\n"
|
|
|
+ << "SRS_back_comparison_function " << stencil -> get_render_state (StencilAttrib::SRS_back_comparison_function) << "\n"
|
|
|
+ << "SRS_back_stencil_fail_operation " << stencil -> get_render_state (StencilAttrib::SRS_back_stencil_fail_operation) << "\n"
|
|
|
+ << "SRS_back_stencil_pass_z_fail_operation " << stencil -> get_render_state (StencilAttrib::SRS_back_stencil_pass_z_fail_operation) << "\n"
|
|
|
+ << "SRS_back_stencil_pass_z_pass_operation " << stencil -> get_render_state (StencilAttrib::SRS_back_stencil_pass_z_pass_operation) << "\n";
|
|
|
+ }
|
|
|
+
|
|
|
+ bool on;
|
|
|
+
|
|
|
+ on = false;
|
|
|
+
|
|
|
+ // SRS_reference and SRS_read_mask are set when SRS_front_comparison_function is set
|
|
|
+ stencil_render_states -> set_stencil_render_state (false, StencilRenderStates::SRS_reference, stencil -> get_render_state (StencilAttrib::SRS_reference));
|
|
|
+ stencil_render_states -> set_stencil_render_state (false, StencilRenderStates::SRS_read_mask, stencil -> get_render_state (StencilAttrib::SRS_read_mask));
|
|
|
+
|
|
|
+ stencil_render_states -> set_stencil_render_state (true, StencilRenderStates::SRS_front_enable, stencil -> get_render_state (StencilAttrib::SRS_front_enable));
|
|
|
+ if (stencil -> get_render_state (StencilAttrib::SRS_front_enable)) {
|
|
|
+ stencil_render_states -> set_stencil_render_state (true, StencilRenderStates::SRS_front_comparison_function, stencil -> get_render_state (StencilAttrib::SRS_front_comparison_function));
|
|
|
+
|
|
|
+ // setting 2 operation states can be defered since all three must be set at once
|
|
|
+ stencil_render_states -> set_stencil_render_state (false, StencilRenderStates::SRS_front_stencil_fail_operation, stencil -> get_render_state (StencilAttrib::SRS_front_stencil_fail_operation));
|
|
|
+ stencil_render_states -> set_stencil_render_state (false, StencilRenderStates::SRS_front_stencil_pass_z_fail_operation, stencil -> get_render_state (StencilAttrib::SRS_front_stencil_pass_z_fail_operation));
|
|
|
+ stencil_render_states -> set_stencil_render_state (true, StencilRenderStates::SRS_front_stencil_pass_z_pass_operation, stencil -> get_render_state (StencilAttrib::SRS_front_stencil_pass_z_pass_operation));
|
|
|
+
|
|
|
+ on = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ stencil_render_states -> set_stencil_render_state (true, StencilRenderStates::SRS_back_enable, stencil -> get_render_state (StencilAttrib::SRS_back_enable));
|
|
|
+ if (stencil -> get_render_state (StencilAttrib::SRS_back_enable)) {
|
|
|
+ stencil_render_states -> set_stencil_render_state (true, StencilRenderStates::SRS_back_comparison_function, stencil -> get_render_state (StencilAttrib::SRS_back_comparison_function));
|
|
|
+
|
|
|
+ // setting 2 operation states can be defered since all three must be set at once
|
|
|
+ stencil_render_states -> set_stencil_render_state (false, StencilRenderStates::SRS_back_stencil_fail_operation, stencil -> get_render_state (StencilAttrib::SRS_back_stencil_fail_operation));
|
|
|
+ stencil_render_states -> set_stencil_render_state (false, StencilRenderStates::SRS_back_stencil_pass_z_fail_operation, stencil -> get_render_state (StencilAttrib::SRS_back_stencil_pass_z_fail_operation));
|
|
|
+ stencil_render_states -> set_stencil_render_state (true, StencilRenderStates::SRS_back_stencil_pass_z_pass_operation, stencil -> get_render_state (StencilAttrib::SRS_back_stencil_pass_z_pass_operation));
|
|
|
+
|
|
|
+ on = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (on) {
|
|
|
+ stencil_render_states -> set_stencil_render_state (true, StencilRenderStates::SRS_write_mask, stencil -> get_render_state (StencilAttrib::SRS_write_mask));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ stencil_render_states -> set_stencil_render_state (true, StencilRenderStates::SRS_front_enable, 0);
|
|
|
+ stencil_render_states -> set_stencil_render_state (true, StencilRenderStates::SRS_back_enable, 0);
|
|
|
+ }
|
|
|
+}
|
aignacio_sf