eden-emu
/
eden
mirror of https://git.eden-emu.dev/eden-emu/eden.git
1
0
Fork 0
Code Releases Wiki Activity
Browse Source

Merge pull request #1635 from Tinob/master 

Implement multi-target viewports and blending
pull/15/merge
bunnei 7 years ago
committed by GitHub
parent
e5a0a23553 19038db489
commit
74bce4d68f
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 338 additions and 153 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 16
      src/video_core/engines/maxwell_3d.cpp
  2. 37
      src/video_core/engines/maxwell_3d.h
  3. 118
      src/video_core/renderer_opengl/gl_rasterizer.cpp
  4. 8
      src/video_core/renderer_opengl/gl_rasterizer.h
  5. 252
      src/video_core/renderer_opengl/gl_state.cpp
  6. 60
      src/video_core/renderer_opengl/gl_state.h

16
src/video_core/engines/maxwell_3d.cpp
View File

@ -37,6 +37,22 @@ void Maxwell3D::InitializeRegisterDefaults() {
regs.viewport[viewport].depth_range_near = 0.0f;
regs.viewport[viewport].depth_range_far = 1.0f;
}
// Doom and Bomberman seems to use the uninitialized registers and just enable blend
// so initialize blend registers with sane values
regs.blend.equation_rgb = Regs::Blend::Equation::Add;
regs.blend.factor_source_rgb = Regs::Blend::Factor::One;
regs.blend.factor_dest_rgb = Regs::Blend::Factor::Zero;
regs.blend.equation_a = Regs::Blend::Equation::Add;
regs.blend.factor_source_a = Regs::Blend::Factor::One;
regs.blend.factor_dest_a = Regs::Blend::Factor::Zero;
for (std::size_t blend_index = 0; blend_index < Regs::NumRenderTargets; blend_index++) {
regs.independent_blend[blend_index].equation_rgb = Regs::Blend::Equation::Add;
regs.independent_blend[blend_index].factor_source_rgb = Regs::Blend::Factor::One;
regs.independent_blend[blend_index].factor_dest_rgb = Regs::Blend::Factor::Zero;
regs.independent_blend[blend_index].equation_a = Regs::Blend::Equation::Add;
regs.independent_blend[blend_index].factor_source_a = Regs::Blend::Factor::One;
regs.independent_blend[blend_index].factor_dest_a = Regs::Blend::Factor::Zero;
}
}
void Maxwell3D::CallMacroMethod(u32 method, std::vector<u32> parameters) {

37
src/video_core/engines/maxwell_3d.h
View File

@ -462,6 +462,16 @@ public:
}
};
struct ColorMask {
union {
u32 raw;
BitField<0, 4, u32> R;
BitField<4, 4, u32> G;
BitField<8, 4, u32> B;
BitField<12, 4, u32> A;
};
};
bool IsShaderConfigEnabled(std::size_t index) const {
// The VertexB is always enabled.
if (index == static_cast<std::size_t>(Regs::ShaderProgram::VertexB)) {
@ -571,7 +581,11 @@ public:
u32 stencil_back_mask;
u32 stencil_back_func_mask;
INSERT_PADDING_WORDS(0x13);
INSERT_PADDING_WORDS(0xC);
u32 color_mask_common;
INSERT_PADDING_WORDS(0x6);
u32 rt_separate_frag_data;
@ -646,8 +660,14 @@ public:
ComparisonOp depth_test_func;
float alpha_test_ref;
ComparisonOp alpha_test_func;
INSERT_PADDING_WORDS(0x9);
u32 draw_tfb_stride;
struct {
float r;
float g;
float b;
float a;
} blend_color;
INSERT_PADDING_WORDS(0x4);
struct {
u32 separate_alpha;
@ -841,8 +861,9 @@ public:
BitField<6, 4, u32> RT;
BitField<10, 11, u32> layer;
} clear_buffers;
INSERT_PADDING_WORDS(0x4B);
INSERT_PADDING_WORDS(0xB);
std::array<ColorMask, NumRenderTargets> color_mask;
INSERT_PADDING_WORDS(0x38);
struct {
u32 query_address_high;
@ -1075,6 +1096,7 @@ ASSERT_REG_POSITION(scissor_test, 0x380);
ASSERT_REG_POSITION(stencil_back_func_ref, 0x3D5);
ASSERT_REG_POSITION(stencil_back_mask, 0x3D6);
ASSERT_REG_POSITION(stencil_back_func_mask, 0x3D7);
ASSERT_REG_POSITION(color_mask_common, 0x3E4);
ASSERT_REG_POSITION(rt_separate_frag_data, 0x3EB);
ASSERT_REG_POSITION(zeta, 0x3F8);
ASSERT_REG_POSITION(vertex_attrib_format, 0x458);
@ -1087,6 +1109,10 @@ ASSERT_REG_POSITION(depth_write_enabled, 0x4BA);
ASSERT_REG_POSITION(alpha_test_enabled, 0x4BB);
ASSERT_REG_POSITION(d3d_cull_mode, 0x4C2);
ASSERT_REG_POSITION(depth_test_func, 0x4C3);
ASSERT_REG_POSITION(alpha_test_ref, 0x4C4);
ASSERT_REG_POSITION(alpha_test_func, 0x4C5);
ASSERT_REG_POSITION(draw_tfb_stride, 0x4C6);
ASSERT_REG_POSITION(blend_color, 0x4C7);
ASSERT_REG_POSITION(blend, 0x4CF);
ASSERT_REG_POSITION(stencil_enable, 0x4E0);
ASSERT_REG_POSITION(stencil_front_op_fail, 0x4E1);
@ -1117,6 +1143,7 @@ ASSERT_REG_POSITION(instanced_arrays, 0x620);
ASSERT_REG_POSITION(cull, 0x646);
ASSERT_REG_POSITION(logic_op, 0x671);
ASSERT_REG_POSITION(clear_buffers, 0x674);
ASSERT_REG_POSITION(color_mask, 0x680);
ASSERT_REG_POSITION(query, 0x6C0);
ASSERT_REG_POSITION(vertex_array[0], 0x700);
ASSERT_REG_POSITION(independent_blend, 0x780);

118
src/video_core/renderer_opengl/gl_rasterizer.cpp
View File

@ -511,10 +511,10 @@ void RasterizerOpenGL::Clear() {
OpenGLState clear_state;
clear_state.draw.draw_framebuffer = framebuffer.handle;
clear_state.color_mask.red_enabled = regs.clear_buffers.R ? GL_TRUE : GL_FALSE;
clear_state.color_mask.green_enabled = regs.clear_buffers.G ? GL_TRUE : GL_FALSE;
clear_state.color_mask.blue_enabled = regs.clear_buffers.B ? GL_TRUE : GL_FALSE;
clear_state.color_mask.alpha_enabled = regs.clear_buffers.A ? GL_TRUE : GL_FALSE;
clear_state.color_mask[0].red_enabled = regs.clear_buffers.R ? GL_TRUE : GL_FALSE;
clear_state.color_mask[0].green_enabled = regs.clear_buffers.G ? GL_TRUE : GL_FALSE;
clear_state.color_mask[0].blue_enabled = regs.clear_buffers.B ? GL_TRUE : GL_FALSE;
clear_state.color_mask[0].alpha_enabled = regs.clear_buffers.A ? GL_TRUE : GL_FALSE;
if (regs.clear_buffers.R || regs.clear_buffers.G || regs.clear_buffers.B ||
regs.clear_buffers.A) {
@ -573,14 +573,13 @@ void RasterizerOpenGL::DrawArrays() {
ScopeAcquireGLContext acquire_context{emu_window};
ConfigureFramebuffers();
SyncColorMask();
SyncDepthTestState();
SyncStencilTestState();
SyncBlendState();
SyncLogicOpState();
SyncCullMode();
SyncPrimitiveRestart();
SyncDepthRange();
SyncScissorTest();
// Alpha Testing is synced on shaders.
SyncTransformFeedback();
@ -899,12 +898,16 @@ u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, Shader& shader,
void RasterizerOpenGL::SyncViewport() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
const MathUtil::Rectangle<s32> viewport_rect{regs.viewport_transform[0].GetRect()};
state.viewport.x = viewport_rect.left;
state.viewport.y = viewport_rect.bottom;
state.viewport.width = static_cast<GLsizei>(viewport_rect.GetWidth());
state.viewport.height = static_cast<GLsizei>(viewport_rect.GetHeight());
for (size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
const MathUtil::Rectangle<s32> viewport_rect{regs.viewport_transform[i].GetRect()};
auto& viewport = state.viewports[i];
viewport.x = viewport_rect.left;
viewport.y = viewport_rect.bottom;
viewport.width = static_cast<GLsizei>(viewport_rect.GetWidth());
viewport.height = static_cast<GLsizei>(viewport_rect.GetHeight());
viewport.depth_range_far = regs.viewport[i].depth_range_far;
viewport.depth_range_near = regs.viewport[i].depth_range_near;
}
}
void RasterizerOpenGL::SyncClipEnabled() {
@ -946,13 +949,6 @@ void RasterizerOpenGL::SyncPrimitiveRestart() {
state.primitive_restart.index = regs.primitive_restart.index;
}
void RasterizerOpenGL::SyncDepthRange() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
state.depth.depth_range_near = regs.viewport->depth_range_near;
state.depth.depth_range_far = regs.viewport->depth_range_far;
}
void RasterizerOpenGL::SyncDepthTestState() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
@ -993,26 +989,60 @@ void RasterizerOpenGL::SyncStencilTestState() {
state.stencil.back.write_mask = regs.stencil_back_mask;
}
void RasterizerOpenGL::SyncBlendState() {
void RasterizerOpenGL::SyncColorMask() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
for (size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
const auto& source = regs.color_mask[regs.color_mask_common ? 0 : i];
auto& dest = state.color_mask[i];
dest.red_enabled = (source.R == 0) ? GL_FALSE : GL_TRUE;
dest.green_enabled = (source.G == 0) ? GL_FALSE : GL_TRUE;
dest.blue_enabled = (source.B == 0) ? GL_FALSE : GL_TRUE;
dest.alpha_enabled = (source.A == 0) ? GL_FALSE : GL_TRUE;
}
}
// TODO(Subv): Support more than just render target 0.
state.blend.enabled = regs.blend.enable[0] != 0;
void RasterizerOpenGL::SyncBlendState() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
if (!state.blend.enabled)
state.blend_color.red = regs.blend_color.r;
state.blend_color.green = regs.blend_color.g;
state.blend_color.blue = regs.blend_color.b;
state.blend_color.alpha = regs.blend_color.a;
state.independant_blend.enabled = regs.independent_blend_enable;
if (!state.independant_blend.enabled) {
auto& blend = state.blend[0];
blend.enabled = regs.blend.enable[0] != 0;
blend.separate_alpha = regs.blend.separate_alpha;
blend.rgb_equation = MaxwellToGL::BlendEquation(regs.blend.equation_rgb);
blend.src_rgb_func = MaxwellToGL::BlendFunc(regs.blend.factor_source_rgb);
blend.dst_rgb_func = MaxwellToGL::BlendFunc(regs.blend.factor_dest_rgb);
if (blend.separate_alpha) {
blend.a_equation = MaxwellToGL::BlendEquation(regs.blend.equation_a);
blend.src_a_func = MaxwellToGL::BlendFunc(regs.blend.factor_source_a);
blend.dst_a_func = MaxwellToGL::BlendFunc(regs.blend.factor_dest_a);
}
for (size_t i = 1; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
state.blend[i].enabled = false;
}
return;
}
ASSERT_MSG(regs.logic_op.enable == 0,
"Blending and logic op can't be enabled at the same time.");
ASSERT_MSG(regs.independent_blend_enable == 1, "Only independent blending is implemented");
ASSERT_MSG(!regs.independent_blend[0].separate_alpha, "Unimplemented");
state.blend.rgb_equation = MaxwellToGL::BlendEquation(regs.independent_blend[0].equation_rgb);
state.blend.src_rgb_func = MaxwellToGL::BlendFunc(regs.independent_blend[0].factor_source_rgb);
state.blend.dst_rgb_func = MaxwellToGL::BlendFunc(regs.independent_blend[0].factor_dest_rgb);
state.blend.a_equation = MaxwellToGL::BlendEquation(regs.independent_blend[0].equation_a);
state.blend.src_a_func = MaxwellToGL::BlendFunc(regs.independent_blend[0].factor_source_a);
state.blend.dst_a_func = MaxwellToGL::BlendFunc(regs.independent_blend[0].factor_dest_a);
for (size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
auto& blend = state.blend[i];
blend.enabled = regs.blend.enable[i] != 0;
if (!blend.enabled)
continue;
blend.separate_alpha = regs.independent_blend[i].separate_alpha;
blend.rgb_equation = MaxwellToGL::BlendEquation(regs.independent_blend[i].equation_rgb);
blend.src_rgb_func = MaxwellToGL::BlendFunc(regs.independent_blend[i].factor_source_rgb);
blend.dst_rgb_func = MaxwellToGL::BlendFunc(regs.independent_blend[i].factor_dest_rgb);
if (blend.separate_alpha) {
blend.a_equation = MaxwellToGL::BlendEquation(regs.independent_blend[i].equation_a);
blend.src_a_func = MaxwellToGL::BlendFunc(regs.independent_blend[i].factor_source_a);
blend.dst_a_func = MaxwellToGL::BlendFunc(regs.independent_blend[i].factor_dest_a);
}
}
}
void RasterizerOpenGL::SyncLogicOpState() {
@ -1031,19 +1061,19 @@ void RasterizerOpenGL::SyncLogicOpState() {
}
void RasterizerOpenGL::SyncScissorTest() {
// TODO: what is the correct behavior here, a single scissor for all targets
// or scissor disabled for the rest of the targets?
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
state.scissor.enabled = (regs.scissor_test.enable != 0);
// TODO(Blinkhawk): Figure if the hardware supports scissor testing per viewport and how it's
// implemented.
if (regs.scissor_test.enable != 0) {
const u32 width = regs.scissor_test.max_x - regs.scissor_test.min_x;
const u32 height = regs.scissor_test.max_y - regs.scissor_test.min_y;
state.scissor.x = regs.scissor_test.min_x;
state.scissor.y = regs.scissor_test.min_y;
state.scissor.width = width;
state.scissor.height = height;
if (regs.scissor_test.enable == 0) {
return;
}
const u32 width = regs.scissor_test.max_x - regs.scissor_test.min_x;
const u32 height = regs.scissor_test.max_y - regs.scissor_test.min_y;
state.scissor.x = regs.scissor_test.min_x;
state.scissor.y = regs.scissor_test.min_y;
state.scissor.width = width;
state.scissor.height = height;
}
void RasterizerOpenGL::SyncTransformFeedback() {

8
src/video_core/renderer_opengl/gl_rasterizer.h
View File

@ -133,7 +133,7 @@ private:
u32 SetupTextures(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, Shader& shader,
GLenum primitive_mode, u32 current_unit);
/// Syncs the viewport to match the guest state
/// Syncs the viewport and depth range to match the guest state
void SyncViewport();
/// Syncs the clip enabled status to match the guest state
@ -148,9 +148,6 @@ private:
/// Syncs the primitve restart to match the guest state
void SyncPrimitiveRestart();
/// Syncs the depth range to match the guest state
void SyncDepthRange();
/// Syncs the depth test state to match the guest state
void SyncDepthTestState();
@ -172,6 +169,9 @@ private:
/// Syncs the point state to match the guest state
void SyncPointState();
/// Syncs Color Mask
void SyncColorMask();
/// Check asserts for alpha testing.
void CheckAlphaTests();

252
src/video_core/renderer_opengl/gl_state.cpp
View File

@ -22,17 +22,15 @@ OpenGLState::OpenGLState() {
depth.test_enabled = false;
depth.test_func = GL_LESS;
depth.write_mask = GL_TRUE;
depth.depth_range_near = 0.0f;
depth.depth_range_far = 1.0f;
primitive_restart.enabled = false;
primitive_restart.index = 0;
color_mask.red_enabled = GL_TRUE;
color_mask.green_enabled = GL_TRUE;
color_mask.blue_enabled = GL_TRUE;
color_mask.alpha_enabled = GL_TRUE;
for (auto& item : color_mask) {
item.red_enabled = GL_TRUE;
item.green_enabled = GL_TRUE;
item.blue_enabled = GL_TRUE;
item.alpha_enabled = GL_TRUE;
}
stencil.test_enabled = false;
auto reset_stencil = [](auto& config) {
config.test_func = GL_ALWAYS;
@ -45,19 +43,33 @@ OpenGLState::OpenGLState() {
};
reset_stencil(stencil.front);
reset_stencil(stencil.back);
blend.enabled = true;
blend.rgb_equation = GL_FUNC_ADD;
blend.a_equation = GL_FUNC_ADD;
blend.src_rgb_func = GL_ONE;
blend.dst_rgb_func = GL_ZERO;
blend.src_a_func = GL_ONE;
blend.dst_a_func = GL_ZERO;
blend.color.red = 0.0f;
blend.color.green = 0.0f;
blend.color.blue = 0.0f;
blend.color.alpha = 0.0f;
for (auto& item : viewports) {
item.x = 0;
item.y = 0;
item.width = 0;
item.height = 0;
item.depth_range_near = 0.0f;
item.depth_range_far = 1.0f;
}
scissor.enabled = false;
scissor.x = 0;
scissor.y = 0;
scissor.width = 0;
scissor.height = 0;
for (auto& item : blend) {
item.enabled = true;
item.rgb_equation = GL_FUNC_ADD;
item.a_equation = GL_FUNC_ADD;
item.src_rgb_func = GL_ONE;
item.dst_rgb_func = GL_ZERO;
item.src_a_func = GL_ONE;
item.dst_a_func = GL_ZERO;
}
independant_blend.enabled = false;
blend_color.red = 0.0f;
blend_color.green = 0.0f;
blend_color.blue = 0.0f;
blend_color.alpha = 0.0f;
logic_op.enabled = false;
logic_op.operation = GL_COPY;
@ -73,17 +85,6 @@ OpenGLState::OpenGLState() {
draw.shader_program = 0;
draw.program_pipeline = 0;
scissor.enabled = false;
scissor.x = 0;
scissor.y = 0;
scissor.width = 0;
scissor.height = 0;
viewport.x = 0;
viewport.y = 0;
viewport.width = 0;
viewport.height = 0;
clip_distance = {};
point.size = 1;
@ -134,6 +135,32 @@ void OpenGLState::ApplyCulling() const {
}
}
void OpenGLState::ApplyColorMask() const {
if (GLAD_GL_ARB_viewport_array) {
for (size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
const auto& updated = color_mask[i];
const auto& current = cur_state.color_mask[i];
if (updated.red_enabled != current.red_enabled ||
updated.green_enabled != current.green_enabled ||
updated.blue_enabled != current.blue_enabled ||
updated.alpha_enabled != current.alpha_enabled) {
glColorMaski(static_cast<GLuint>(i), updated.red_enabled, updated.green_enabled,
updated.blue_enabled, updated.alpha_enabled);
}
}
} else {
const auto& updated = color_mask[0];
const auto& current = cur_state.color_mask[0];
if (updated.red_enabled != current.red_enabled ||
updated.green_enabled != current.green_enabled ||
updated.blue_enabled != current.blue_enabled ||
updated.alpha_enabled != current.alpha_enabled) {
glColorMask(updated.red_enabled, updated.green_enabled, updated.blue_enabled,
updated.alpha_enabled);
}
}
}
void OpenGLState::ApplyDepth() const {
// Depth test
const bool depth_test_changed = depth.test_enabled != cur_state.depth.test_enabled;
@ -152,11 +179,6 @@ void OpenGLState::ApplyDepth() const {
if (depth.write_mask != cur_state.depth.write_mask) {
glDepthMask(depth.write_mask);
}
// Depth range
if (depth.depth_range_near != cur_state.depth.depth_range_near ||
depth.depth_range_far != cur_state.depth.depth_range_far) {
glDepthRange(depth.depth_range_near, depth.depth_range_far);
}
}
void OpenGLState::ApplyPrimitiveRestart() const {
@ -208,7 +230,7 @@ void OpenGLState::ApplyStencilTest() const {
}
}
void OpenGLState::ApplyScissorTest() const {
void OpenGLState::ApplyScissor() const {
const bool scissor_changed = scissor.enabled != cur_state.scissor.enabled;
if (scissor_changed) {
if (scissor.enabled) {
@ -217,51 +239,141 @@ void OpenGLState::ApplyScissorTest() const {
glDisable(GL_SCISSOR_TEST);
}
}
if (scissor_changed || scissor_changed || scissor.x != cur_state.scissor.x ||
scissor.y != cur_state.scissor.y || scissor.width != cur_state.scissor.width ||
scissor.height != cur_state.scissor.height) {
if (scissor.enabled &&
(scissor_changed || scissor.x != cur_state.scissor.x || scissor.y != cur_state.scissor.y ||
scissor.width != cur_state.scissor.width || scissor.height != cur_state.scissor.height)) {
glScissor(scissor.x, scissor.y, scissor.width, scissor.height);
}
}
void OpenGLState::ApplyBlending() const {
const bool blend_changed = blend.enabled != cur_state.blend.enabled;
void OpenGLState::ApplyViewport() const {
if (GLAD_GL_ARB_viewport_array) {
for (GLuint i = 0;
i < static_cast<GLuint>(Tegra::Engines::Maxwell3D::Regs::NumRenderTargets); i++) {
const auto& current = cur_state.viewports[i];
const auto& updated = viewports[i];
if (updated.x != current.x || updated.y != current.y ||
updated.width != current.width || updated.height != current.height) {
glViewportIndexedf(i, updated.x, updated.y, updated.width, updated.height);
}
if (updated.depth_range_near != current.depth_range_near ||
updated.depth_range_far != current.depth_range_far) {
glDepthRangeIndexed(i, updated.depth_range_near, updated.depth_range_far);
}
}
} else {
const auto& current = cur_state.viewports[0];
const auto& updated = viewports[0];
if (updated.x != current.x || updated.y != current.y || updated.width != current.width ||
updated.height != current.height) {
glViewport(updated.x, updated.y, updated.width, updated.height);
}
if (updated.depth_range_near != current.depth_range_near ||
updated.depth_range_far != current.depth_range_far) {
glDepthRange(updated.depth_range_near, updated.depth_range_far);
}
}
}
void OpenGLState::ApplyGlobalBlending() const {
const Blend& current = cur_state.blend[0];
const Blend& updated = blend[0];
const bool blend_changed = updated.enabled != current.enabled;
if (blend_changed) {
if (blend.enabled) {
ASSERT(!logic_op.enabled);
if (updated.enabled) {
glEnable(GL_BLEND);
} else {
glDisable(GL_BLEND);
}
}
if (blend.enabled) {
if (blend_changed || blend.color.red != cur_state.blend.color.red ||
blend.color.green != cur_state.blend.color.green ||
blend.color.blue != cur_state.blend.color.blue ||
blend.color.alpha != cur_state.blend.color.alpha) {
glBlendColor(blend.color.red, blend.color.green, blend.color.blue, blend.color.alpha);
if (!updated.enabled) {
return;
}
if (updated.separate_alpha) {
if (blend_changed || updated.src_rgb_func != current.src_rgb_func ||
updated.dst_rgb_func != current.dst_rgb_func ||
updated.src_a_func != current.src_a_func || updated.dst_a_func != current.dst_a_func) {
glBlendFuncSeparate(updated.src_rgb_func, updated.dst_rgb_func, updated.src_a_func,
updated.dst_a_func);
}
if (blend_changed || blend.src_rgb_func != cur_state.blend.src_rgb_func ||
blend.dst_rgb_func != cur_state.blend.dst_rgb_func ||
blend.src_a_func != cur_state.blend.src_a_func ||
blend.dst_a_func != cur_state.blend.dst_a_func) {
glBlendFuncSeparate(blend.src_rgb_func, blend.dst_rgb_func, blend.src_a_func,
blend.dst_a_func);
if (blend_changed || updated.rgb_equation != current.rgb_equation ||
updated.a_equation != current.a_equation) {
glBlendEquationSeparate(updated.rgb_equation, updated.a_equation);
}
} else {
if (blend_changed || updated.src_rgb_func != current.src_rgb_func ||
updated.dst_rgb_func != current.dst_rgb_func) {
glBlendFunc(updated.src_rgb_func, updated.dst_rgb_func);
}
if (blend_changed || blend.rgb_equation != cur_state.blend.rgb_equation ||
blend.a_equation != cur_state.blend.a_equation) {
glBlendEquationSeparate(blend.rgb_equation, blend.a_equation);
if (blend_changed || updated.rgb_equation != current.rgb_equation) {
glBlendEquation(updated.rgb_equation);
}
}
}
void OpenGLState::ApplyTargetBlending(int target, bool force) const {
const Blend& updated = blend[target];
const Blend& current = cur_state.blend[target];
const bool blend_changed = updated.enabled != current.enabled || force;
if (blend_changed) {
if (updated.enabled) {
glEnablei(GL_BLEND, static_cast<GLuint>(target));
} else {
glDisablei(GL_BLEND, static_cast<GLuint>(target));
}
}
if (!updated.enabled) {
return;
}
if (updated.separate_alpha) {
if (blend_changed || updated.src_rgb_func != current.src_rgb_func ||
updated.dst_rgb_func != current.dst_rgb_func ||
updated.src_a_func != current.src_a_func || updated.dst_a_func != current.dst_a_func) {
glBlendFuncSeparateiARB(static_cast<GLuint>(target), updated.src_rgb_func,
updated.dst_rgb_func, updated.src_a_func, updated.dst_a_func);
}
if (blend_changed || updated.rgb_equation != current.rgb_equation ||
updated.a_equation != current.a_equation) {
glBlendEquationSeparateiARB(static_cast<GLuint>(target), updated.rgb_equation,
updated.a_equation);
}
} else {
if (blend_changed || updated.src_rgb_func != current.src_rgb_func ||
updated.dst_rgb_func != current.dst_rgb_func) {
glBlendFunciARB(static_cast<GLuint>(target), updated.src_rgb_func,
updated.dst_rgb_func);
}
if (blend_changed || updated.rgb_equation != current.rgb_equation) {
glBlendEquationiARB(static_cast<GLuint>(target), updated.rgb_equation);
}
}
}
void OpenGLState::ApplyBlending() const {
if (independant_blend.enabled) {
for (size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
ApplyTargetBlending(i,
independant_blend.enabled != cur_state.independant_blend.enabled);
}
} else {
ApplyGlobalBlending();
}
if (blend_color.red != cur_state.blend_color.red ||
blend_color.green != cur_state.blend_color.green ||
blend_color.blue != cur_state.blend_color.blue ||
blend_color.alpha != cur_state.blend_color.alpha) {
glBlendColor(blend_color.red, blend_color.green, blend_color.blue, blend_color.alpha);
}
}
void OpenGLState::ApplyLogicOp() const {
const bool logic_op_changed = logic_op.enabled != cur_state.logic_op.enabled;
if (logic_op_changed) {
if (logic_op.enabled) {
ASSERT(!blend.enabled);
glEnable(GL_COLOR_LOGIC_OP);
} else {
glDisable(GL_COLOR_LOGIC_OP);
@ -348,12 +460,6 @@ void OpenGLState::Apply() const {
if (draw.program_pipeline != cur_state.draw.program_pipeline) {
glBindProgramPipeline(draw.program_pipeline);
}
// Viewport
if (viewport.x != cur_state.viewport.x || viewport.y != cur_state.viewport.y ||
viewport.width != cur_state.viewport.width ||
viewport.height != cur_state.viewport.height) {
glViewport(viewport.x, viewport.y, viewport.width, viewport.height);
}
// Clip distance
for (std::size_t i = 0; i < clip_distance.size(); ++i) {
if (clip_distance[i] != cur_state.clip_distance[i]) {
@ -364,19 +470,13 @@ void OpenGLState::Apply() const {
}
}
}
// Color mask
if (color_mask.red_enabled != cur_state.color_mask.red_enabled ||
color_mask.green_enabled != cur_state.color_mask.green_enabled ||
color_mask.blue_enabled != cur_state.color_mask.blue_enabled ||
color_mask.alpha_enabled != cur_state.color_mask.alpha_enabled) {
glColorMask(color_mask.red_enabled, color_mask.green_enabled, color_mask.blue_enabled,
color_mask.alpha_enabled);
}
// Point
if (point.size != cur_state.point.size) {
glPointSize(point.size);
}
ApplyScissorTest();
ApplyColorMask();
ApplyViewport();
ApplyScissor();
ApplyStencilTest();
ApplySRgb();
ApplyCulling();

60
src/video_core/renderer_opengl/gl_state.h
View File

@ -46,11 +46,9 @@ public:
} cull;
struct {
bool test_enabled; // GL_DEPTH_TEST
GLenum test_func; // GL_DEPTH_FUNC
GLboolean write_mask; // GL_DEPTH_WRITEMASK
GLfloat depth_range_near; // GL_DEPTH_RANGE
GLfloat depth_range_far; // GL_DEPTH_RANGE
bool test_enabled; // GL_DEPTH_TEST
GLenum test_func; // GL_DEPTH_FUNC
GLboolean write_mask; // GL_DEPTH_WRITEMASK
} depth;
struct {
@ -58,13 +56,14 @@ public:
GLuint index;
} primitive_restart; // GL_PRIMITIVE_RESTART
struct {
struct ColorMask {
GLboolean red_enabled;
GLboolean green_enabled;
GLboolean blue_enabled;
GLboolean alpha_enabled;
} color_mask; // GL_COLOR_WRITEMASK
};
std::array<ColorMask, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets>
color_mask; // GL_COLOR_WRITEMASK
struct {
bool test_enabled; // GL_STENCIL_TEST
struct {
@ -78,22 +77,28 @@ public:
} front, back;
} stencil;
struct {
struct Blend {
bool enabled; // GL_BLEND
bool separate_alpha; // Independent blend enabled
GLenum rgb_equation; // GL_BLEND_EQUATION_RGB
GLenum a_equation; // GL_BLEND_EQUATION_ALPHA
GLenum src_rgb_func; // GL_BLEND_SRC_RGB
GLenum dst_rgb_func; // GL_BLEND_DST_RGB
GLenum src_a_func; // GL_BLEND_SRC_ALPHA
GLenum dst_a_func; // GL_BLEND_DST_ALPHA
};
std::array<Blend, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> blend;
struct {
GLclampf red;
GLclampf green;
GLclampf blue;
GLclampf alpha;
} color; // GL_BLEND_COLOR
} blend;
struct {
bool enabled;
} independant_blend;
struct {
GLclampf red;
GLclampf green;
GLclampf blue;
GLclampf alpha;
} blend_color; // GL_BLEND_COLOR
struct {
bool enabled; // GL_LOGIC_OP_MODE
@ -138,6 +143,16 @@ public:
GLuint program_pipeline; // GL_PROGRAM_PIPELINE_BINDING
} draw;
struct viewport {
GLfloat x;
GLfloat y;
GLfloat width;
GLfloat height;
GLfloat depth_range_near; // GL_DEPTH_RANGE
GLfloat depth_range_far; // GL_DEPTH_RANGE
};
std::array<viewport, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> viewports;
struct {
bool enabled; // GL_SCISSOR_TEST
GLint x;
@ -146,13 +161,6 @@ public:
GLsizei height;
} scissor;
struct {
GLint x;
GLint y;
GLsizei width;
GLsizei height;
} viewport;
struct {
float size; // GL_POINT_SIZE
} point;
@ -191,14 +199,18 @@ private:
static bool s_rgb_used;
void ApplySRgb() const;
void ApplyCulling() const;
void ApplyColorMask() const;
void ApplyDepth() const;
void ApplyPrimitiveRestart() const;
void ApplyStencilTest() const;
void ApplyScissorTest() const;
void ApplyViewport() const;
void ApplyTargetBlending(int target, bool force) const;
void ApplyGlobalBlending() const;
void ApplyBlending() const;
void ApplyLogicOp() const;
void ApplyTextures() const;
void ApplySamplers() const;
void ApplyScissor() const;
};
} // namespace OpenGL
Write Preview
Loading…
Cancel
Save