cleanly disable texturing before rendering to a texture
This commit is contained in:
David Rose
parent
742c4173b8
commit
b4e6656f49
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@ -3114,12 +3114,12 @@ do_issue_texture() {
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} else {
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LMatrix4f m = tex_mat->get_mat();
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_d3d_device->SetTransform(get_tex_mat_sym(i), (D3DMATRIX *)m.get_data());
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DWORD transform_flags = texcoord_dimensions;
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if (m.get_col(3) != LVecBase4f(0.0f, 0.0f, 0.0f, 1.0f)) {
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// If we have a projected texture matrix, we also need to
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// set D3DTTFF_COUNT4.
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transform_flags = D3DTTFF_COUNT4 | D3DTTFF_PROJECTED;
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}
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DWORD transform_flags = texcoord_dimensions;
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if (m.get_col(3) != LVecBase4f(0.0f, 0.0f, 0.0f, 1.0f)) {
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// If we have a projected texture matrix, we also need to
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// set D3DTTFF_COUNT4.
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transform_flags = D3DTTFF_COUNT4 | D3DTTFF_PROJECTED;
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}
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_d3d_device->SetTextureStageState(i, D3DTSS_TEXTURETRANSFORMFLAGS,
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transform_flags);
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}
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@ -3137,9 +3137,119 @@ do_issue_texture() {
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// Disable the texture stages that are no longer used.
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for (i = num_stages; i < num_old_stages; i++) {
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_d3d_device->SetTextureStageState(i, D3DTSS_COLOROP, D3DTOP_DISABLE);
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_d3d_device->SetTexture(i, NULL);
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: DXGraphicsStateGuardian9::do_issue_blending
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// Access: Protected, Virtual
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// Description: Called after any of the things that might change
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// blending state have changed, this function is
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// responsible for setting the appropriate color
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// blending mode based on the current properties.
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////////////////////////////////////////////////////////////////////
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void DXGraphicsStateGuardian9::
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do_issue_blending() {
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// Handle the color_write attrib. If color_write is off, then
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// all the other blending-related stuff doesn't matter. If the
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// device doesn't support color-write, we use blending tricks
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// to effectively disable color write.
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if (_target._color_write->get_channels() == ColorWriteAttrib::C_off) {
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if (_target._color_write != _state._color_write) {
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if (_screen->_can_direct_disable_color_writes) {
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_d3d_device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
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_d3d_device->SetRenderState(D3DRS_COLORWRITEENABLE, (DWORD)0x0);
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} else {
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_d3d_device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
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_d3d_device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ZERO);
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_d3d_device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_ONE);
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}
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}
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return;
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} else {
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if (_target._color_write != _state._color_write) {
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if (_screen->_can_direct_disable_color_writes) {
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_d3d_device->SetRenderState(D3DRS_COLORWRITEENABLE, _target._color_write->get_channels());
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}
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}
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}
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CPT(ColorBlendAttrib) color_blend = _target._color_blend;
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ColorBlendAttrib::Mode color_blend_mode = _target._color_blend->get_mode();
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TransparencyAttrib::Mode transparency_mode = _target._transparency->get_mode();
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// Is there a color blend set?
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if (color_blend_mode != ColorBlendAttrib::M_none) {
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_d3d_device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
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switch (color_blend_mode) {
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case ColorBlendAttrib::M_add:
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_d3d_device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_ADD);
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break;
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case ColorBlendAttrib::M_subtract:
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_d3d_device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_SUBTRACT);
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break;
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case ColorBlendAttrib::M_inv_subtract:
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_d3d_device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_REVSUBTRACT);
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break;
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case ColorBlendAttrib::M_min:
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_d3d_device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_MIN);
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break;
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case ColorBlendAttrib::M_max:
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_d3d_device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_MAX);
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break;
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}
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_d3d_device->SetRenderState(D3DRS_SRCBLEND,
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get_blend_func(color_blend->get_operand_a()));
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_d3d_device->SetRenderState(D3DRS_DESTBLEND,
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get_blend_func(color_blend->get_operand_b()));
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return;
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}
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// No color blend; is there a transparency set?
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switch (transparency_mode) {
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case TransparencyAttrib::M_none:
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case TransparencyAttrib::M_binary:
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break;
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case TransparencyAttrib::M_alpha:
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case TransparencyAttrib::M_multisample:
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case TransparencyAttrib::M_multisample_mask:
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case TransparencyAttrib::M_dual:
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_d3d_device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
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_d3d_device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_ADD);
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_d3d_device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
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_d3d_device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
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return;
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default:
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dxgsg9_cat.error()
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<< "invalid transparency mode " << (int)transparency_mode << endl;
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break;
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}
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// Nothing's set, so disable blending.
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_d3d_device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
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}
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////////////////////////////////////////////////////////////////////
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// Function: DXGraphicsStateGuardian9::disable_texturing
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// Access: Protected
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// Description: Turns off any texturing that is currently enabled.
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////////////////////////////////////////////////////////////////////
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void DXGraphicsStateGuardian9::
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disable_texturing() {
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_target._texture = DCAST(TextureAttrib, TextureAttrib::make_off());
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do_issue_texture();
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_state._texture = _target._texture;
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}
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////////////////////////////////////////////////////////////////////
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// Function: DXGraphicsStateGuardian9::enable_lighting
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// Access: Protected, Virtual
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@ -3236,104 +3346,6 @@ bind_clip_plane(const NodePath &plane, int plane_id) {
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: DXGraphicsStateGuardian9::set_blend_mode
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// Access: Protected, Virtual
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// Description: Called after any of the things that might change
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// blending state have changed, this function is
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// responsible for setting the appropriate color
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// blending mode based on the current properties.
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////////////////////////////////////////////////////////////////////
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void DXGraphicsStateGuardian9::
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do_issue_blending() {
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// Handle the color_write attrib. If color_write is off, then
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// all the other blending-related stuff doesn't matter. If the
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// device doesn't support color-write, we use blending tricks
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// to effectively disable color write.
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if (_target._color_write->get_channels() == ColorWriteAttrib::C_off) {
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if (_target._color_write != _state._color_write) {
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if (_screen->_can_direct_disable_color_writes) {
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_d3d_device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
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_d3d_device->SetRenderState(D3DRS_COLORWRITEENABLE, (DWORD)0x0);
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} else {
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_d3d_device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
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_d3d_device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ZERO);
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_d3d_device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_ONE);
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}
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}
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return;
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} else {
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if (_target._color_write != _state._color_write) {
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if (_screen->_can_direct_disable_color_writes) {
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_d3d_device->SetRenderState(D3DRS_COLORWRITEENABLE, _target._color_write->get_channels());
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}
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}
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}
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CPT(ColorBlendAttrib) color_blend = _target._color_blend;
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ColorBlendAttrib::Mode color_blend_mode = _target._color_blend->get_mode();
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TransparencyAttrib::Mode transparency_mode = _target._transparency->get_mode();
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// Is there a color blend set?
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if (color_blend_mode != ColorBlendAttrib::M_none) {
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_d3d_device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
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switch (color_blend_mode) {
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case ColorBlendAttrib::M_add:
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_d3d_device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_ADD);
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break;
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case ColorBlendAttrib::M_subtract:
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_d3d_device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_SUBTRACT);
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break;
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case ColorBlendAttrib::M_inv_subtract:
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_d3d_device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_REVSUBTRACT);
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break;
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case ColorBlendAttrib::M_min:
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_d3d_device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_MIN);
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break;
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case ColorBlendAttrib::M_max:
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_d3d_device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_MAX);
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break;
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}
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_d3d_device->SetRenderState(D3DRS_SRCBLEND,
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get_blend_func(color_blend->get_operand_a()));
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_d3d_device->SetRenderState(D3DRS_DESTBLEND,
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get_blend_func(color_blend->get_operand_b()));
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return;
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}
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// No color blend; is there a transparency set?
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switch (transparency_mode) {
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case TransparencyAttrib::M_none:
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case TransparencyAttrib::M_binary:
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break;
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case TransparencyAttrib::M_alpha:
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case TransparencyAttrib::M_multisample:
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case TransparencyAttrib::M_multisample_mask:
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case TransparencyAttrib::M_dual:
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_d3d_device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
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_d3d_device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_ADD);
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_d3d_device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
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_d3d_device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
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return;
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default:
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dxgsg9_cat.error()
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<< "invalid transparency mode " << (int)transparency_mode << endl;
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break;
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}
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// Nothing's set, so disable blending.
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_d3d_device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
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}
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////////////////////////////////////////////////////////////////////
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// Function: DXGraphicsStateGuardian9::free_nondx_resources
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// Access: Public
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@ -3359,14 +3371,18 @@ free_d3d_device() {
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_dx_is_ready = false;
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if (_d3d_device != NULL)
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for(int i = 0;i<D3D_MAXTEXTURESTAGES;i++)
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_d3d_device->SetTexture(i, NULL); // d3d should release this stuff internally anyway, but whatever
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if (_d3d_device != NULL) {
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for(int i = 0; i < D3D_MAXTEXTURESTAGES; i++) {
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// d3d should release this stuff internally anyway, but whatever
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_d3d_device->SetTexture(i, NULL);
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}
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}
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release_all();
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if (_d3d_device != NULL)
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if (_d3d_device != NULL) {
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RELEASE(_d3d_device, dxgsg9, "d3dDevice", RELEASE_DOWN_TO_ZERO);
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}
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free_nondx_resources();
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@ -137,6 +137,8 @@ protected:
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void do_issue_texture();
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void do_issue_blending();
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void disable_texturing();
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virtual void enable_lighting(bool enable);
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virtual void set_ambient_light(const Colorf &color);
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virtual void enable_light(int light_id, bool enable);
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@ -158,9 +158,10 @@ DBG_S dxgsg9_cat.error ( ) << "wdxGraphicsBuffer9::begin_render_texture\n"; DBG_
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direct_3d_texture = dx_texture_context9 -> _d3d_2d_texture;
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if (direct_3d_texture) {
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hr = dxgsg -> _d3d_device -> SetTexture (0, NULL);
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hr = dxgsg -> _d3d_device -> SetTexture (1, NULL);
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// Make sure texturing is fully disabled (and all of our
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// textures are therefore unbound in the GSG) before we try
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// to render to this texture.
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dxgsg->disable_texturing();
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hr = direct_3d_texture -> GetSurfaceLevel (mipmap_level, &_direct_3d_surface);
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if (SUCCEEDED (hr)) {
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