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Diffstat (limited to 'src/video_core/renderer_opengl/renderer_opengl.cpp')
-rw-r--r--src/video_core/renderer_opengl/renderer_opengl.cpp224
1 files changed, 103 insertions, 121 deletions
diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp
index a57a564f7..bba16afaf 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.cpp
+++ b/src/video_core/renderer_opengl/renderer_opengl.cpp
@@ -24,19 +24,21 @@
namespace OpenGL {
-static const char vertex_shader[] = R"(
-#version 150 core
+namespace {
-in vec2 vert_position;
-in vec2 vert_tex_coord;
-out vec2 frag_tex_coord;
+constexpr char vertex_shader[] = R"(
+#version 430 core
+
+layout (location = 0) in vec2 vert_position;
+layout (location = 1) in vec2 vert_tex_coord;
+layout (location = 0) out vec2 frag_tex_coord;
// This is a truncated 3x3 matrix for 2D transformations:
// The upper-left 2x2 submatrix performs scaling/rotation/mirroring.
// The third column performs translation.
// The third row could be used for projection, which we don't need in 2D. It hence is assumed to
// implicitly be [0, 0, 1]
-uniform mat3x2 modelview_matrix;
+layout (location = 0) uniform mat3x2 modelview_matrix;
void main() {
// Multiply input position by the rotscale part of the matrix and then manually translate by
@@ -47,34 +49,29 @@ void main() {
}
)";
-static const char fragment_shader[] = R"(
-#version 150 core
+constexpr char fragment_shader[] = R"(
+#version 430 core
-in vec2 frag_tex_coord;
-out vec4 color;
+layout (location = 0) in vec2 frag_tex_coord;
+layout (location = 0) out vec4 color;
-uniform sampler2D color_texture;
+layout (binding = 0) uniform sampler2D color_texture;
void main() {
- // Swap RGBA -> ABGR so we don't have to do this on the CPU. This needs to change if we have to
- // support more framebuffer pixel formats.
color = texture(color_texture, frag_tex_coord);
}
)";
-/**
- * Vertex structure that the drawn screen rectangles are composed of.
- */
+constexpr GLint PositionLocation = 0;
+constexpr GLint TexCoordLocation = 1;
+constexpr GLint ModelViewMatrixLocation = 0;
+
struct ScreenRectVertex {
- ScreenRectVertex(GLfloat x, GLfloat y, GLfloat u, GLfloat v) {
- position[0] = x;
- position[1] = y;
- tex_coord[0] = u;
- tex_coord[1] = v;
- }
+ constexpr ScreenRectVertex(GLfloat x, GLfloat y, GLfloat u, GLfloat v)
+ : position{{x, y}}, tex_coord{{u, v}} {}
- GLfloat position[2];
- GLfloat tex_coord[2];
+ std::array<GLfloat, 2> position;
+ std::array<GLfloat, 2> tex_coord;
};
/**
@@ -84,18 +81,82 @@ struct ScreenRectVertex {
* The projection part of the matrix is trivial, hence these operations are represented
* by a 3x2 matrix.
*/
-static std::array<GLfloat, 3 * 2> MakeOrthographicMatrix(const float width, const float height) {
+std::array<GLfloat, 3 * 2> MakeOrthographicMatrix(float width, float height) {
std::array<GLfloat, 3 * 2> matrix; // Laid out in column-major order
// clang-format off
- matrix[0] = 2.f / width; matrix[2] = 0.f; matrix[4] = -1.f;
- matrix[1] = 0.f; matrix[3] = -2.f / height; matrix[5] = 1.f;
+ matrix[0] = 2.f / width; matrix[2] = 0.f; matrix[4] = -1.f;
+ matrix[1] = 0.f; matrix[3] = -2.f / height; matrix[5] = 1.f;
// Last matrix row is implicitly assumed to be [0, 0, 1].
// clang-format on
return matrix;
}
+const char* GetSource(GLenum source) {
+ switch (source) {
+ case GL_DEBUG_SOURCE_API:
+ return "API";
+ case GL_DEBUG_SOURCE_WINDOW_SYSTEM:
+ return "WINDOW_SYSTEM";
+ case GL_DEBUG_SOURCE_SHADER_COMPILER:
+ return "SHADER_COMPILER";
+ case GL_DEBUG_SOURCE_THIRD_PARTY:
+ return "THIRD_PARTY";
+ case GL_DEBUG_SOURCE_APPLICATION:
+ return "APPLICATION";
+ case GL_DEBUG_SOURCE_OTHER:
+ return "OTHER";
+ default:
+ UNREACHABLE();
+ return "Unknown source";
+ }
+}
+
+const char* GetType(GLenum type) {
+ switch (type) {
+ case GL_DEBUG_TYPE_ERROR:
+ return "ERROR";
+ case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR:
+ return "DEPRECATED_BEHAVIOR";
+ case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
+ return "UNDEFINED_BEHAVIOR";
+ case GL_DEBUG_TYPE_PORTABILITY:
+ return "PORTABILITY";
+ case GL_DEBUG_TYPE_PERFORMANCE:
+ return "PERFORMANCE";
+ case GL_DEBUG_TYPE_OTHER:
+ return "OTHER";
+ case GL_DEBUG_TYPE_MARKER:
+ return "MARKER";
+ default:
+ UNREACHABLE();
+ return "Unknown type";
+ }
+}
+
+void APIENTRY DebugHandler(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length,
+ const GLchar* message, const void* user_param) {
+ const char format[] = "{} {} {}: {}";
+ const char* const str_source = GetSource(source);
+ const char* const str_type = GetType(type);
+
+ switch (severity) {
+ case GL_DEBUG_SEVERITY_HIGH:
+ LOG_CRITICAL(Render_OpenGL, format, str_source, str_type, id, message);
+ break;
+ case GL_DEBUG_SEVERITY_MEDIUM:
+ LOG_WARNING(Render_OpenGL, format, str_source, str_type, id, message);
+ break;
+ case GL_DEBUG_SEVERITY_NOTIFICATION:
+ case GL_DEBUG_SEVERITY_LOW:
+ LOG_DEBUG(Render_OpenGL, format, str_source, str_type, id, message);
+ break;
+ }
+}
+
+} // Anonymous namespace
+
RendererOpenGL::RendererOpenGL(Core::Frontend::EmuWindow& emu_window, Core::System& system)
: VideoCore::RendererBase{emu_window}, emu_window{emu_window}, system{system} {}
@@ -138,9 +199,6 @@ void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
prev_state.Apply();
}
-/**
- * Loads framebuffer from emulated memory into the active OpenGL texture.
- */
void RendererOpenGL::LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuffer) {
// Framebuffer orientation handling
framebuffer_transform_flags = framebuffer.transform_flags;
@@ -181,19 +239,12 @@ void RendererOpenGL::LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuf
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
}
-/**
- * Fills active OpenGL texture with the given RGB color. Since the color is solid, the texture can
- * be 1x1 but will stretch across whatever it's rendered on.
- */
void RendererOpenGL::LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color_b, u8 color_a,
const TextureInfo& texture) {
const u8 framebuffer_data[4] = {color_a, color_b, color_g, color_r};
glClearTexImage(texture.resource.handle, 0, GL_RGBA, GL_UNSIGNED_BYTE, framebuffer_data);
}
-/**
- * Initializes the OpenGL state and creates persistent objects.
- */
void RendererOpenGL::InitOpenGLObjects() {
glClearColor(Settings::values.bg_red, Settings::values.bg_green, Settings::values.bg_blue,
0.0f);
@@ -203,10 +254,6 @@ void RendererOpenGL::InitOpenGLObjects() {
state.draw.shader_program = shader.handle;
state.AllDirty();
state.Apply();
- uniform_modelview_matrix = glGetUniformLocation(shader.handle, "modelview_matrix");
- uniform_color_texture = glGetUniformLocation(shader.handle, "color_texture");
- attrib_position = glGetAttribLocation(shader.handle, "vert_position");
- attrib_tex_coord = glGetAttribLocation(shader.handle, "vert_tex_coord");
// Generate VBO handle for drawing
vertex_buffer.Create();
@@ -217,14 +264,14 @@ void RendererOpenGL::InitOpenGLObjects() {
// Attach vertex data to VAO
glNamedBufferData(vertex_buffer.handle, sizeof(ScreenRectVertex) * 4, nullptr, GL_STREAM_DRAW);
- glVertexArrayAttribFormat(vertex_array.handle, attrib_position, 2, GL_FLOAT, GL_FALSE,
+ glVertexArrayAttribFormat(vertex_array.handle, PositionLocation, 2, GL_FLOAT, GL_FALSE,
offsetof(ScreenRectVertex, position));
- glVertexArrayAttribFormat(vertex_array.handle, attrib_tex_coord, 2, GL_FLOAT, GL_FALSE,
+ glVertexArrayAttribFormat(vertex_array.handle, TexCoordLocation, 2, GL_FLOAT, GL_FALSE,
offsetof(ScreenRectVertex, tex_coord));
- glVertexArrayAttribBinding(vertex_array.handle, attrib_position, 0);
- glVertexArrayAttribBinding(vertex_array.handle, attrib_tex_coord, 0);
- glEnableVertexArrayAttrib(vertex_array.handle, attrib_position);
- glEnableVertexArrayAttrib(vertex_array.handle, attrib_tex_coord);
+ glVertexArrayAttribBinding(vertex_array.handle, PositionLocation, 0);
+ glVertexArrayAttribBinding(vertex_array.handle, TexCoordLocation, 0);
+ glEnableVertexArrayAttrib(vertex_array.handle, PositionLocation);
+ glEnableVertexArrayAttrib(vertex_array.handle, TexCoordLocation);
glVertexArrayVertexBuffer(vertex_array.handle, 0, vertex_buffer.handle, 0,
sizeof(ScreenRectVertex));
@@ -331,18 +378,18 @@ void RendererOpenGL::DrawScreenTriangles(const ScreenInfo& screen_info, float x,
static_cast<f32>(screen_info.texture.height);
}
- std::array<ScreenRectVertex, 4> vertices = {{
+ const std::array vertices = {
ScreenRectVertex(x, y, texcoords.top * scale_u, left * scale_v),
ScreenRectVertex(x + w, y, texcoords.bottom * scale_u, left * scale_v),
ScreenRectVertex(x, y + h, texcoords.top * scale_u, right * scale_v),
ScreenRectVertex(x + w, y + h, texcoords.bottom * scale_u, right * scale_v),
- }};
+ };
state.textures[0] = screen_info.display_texture;
state.framebuffer_srgb.enabled = screen_info.display_srgb;
state.AllDirty();
state.Apply();
- glNamedBufferSubData(vertex_buffer.handle, 0, sizeof(vertices), vertices.data());
+ glNamedBufferSubData(vertex_buffer.handle, 0, sizeof(vertices), std::data(vertices));
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
// Restore default state
state.framebuffer_srgb.enabled = false;
@@ -351,9 +398,6 @@ void RendererOpenGL::DrawScreenTriangles(const ScreenInfo& screen_info, float x,
state.Apply();
}
-/**
- * Draws the emulated screens to the emulator window.
- */
void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
if (renderer_settings.set_background_color) {
// Update background color before drawing
@@ -367,21 +411,17 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
glClear(GL_COLOR_BUFFER_BIT);
// Set projection matrix
- std::array<GLfloat, 3 * 2> ortho_matrix =
- MakeOrthographicMatrix((float)layout.width, (float)layout.height);
- glUniformMatrix3x2fv(uniform_modelview_matrix, 1, GL_FALSE, ortho_matrix.data());
-
- // Bind texture in Texture Unit 0
- glActiveTexture(GL_TEXTURE0);
- glUniform1i(uniform_color_texture, 0);
+ const std::array ortho_matrix =
+ MakeOrthographicMatrix(static_cast<float>(layout.width), static_cast<float>(layout.height));
+ glUniformMatrix3x2fv(ModelViewMatrixLocation, 1, GL_FALSE, ortho_matrix.data());
- DrawScreenTriangles(screen_info, (float)screen.left, (float)screen.top,
- (float)screen.GetWidth(), (float)screen.GetHeight());
+ DrawScreenTriangles(screen_info, static_cast<float>(screen.left),
+ static_cast<float>(screen.top), static_cast<float>(screen.GetWidth()),
+ static_cast<float>(screen.GetHeight()));
m_current_frame++;
}
-/// Updates the framerate
void RendererOpenGL::UpdateFramerate() {}
void RendererOpenGL::CaptureScreenshot() {
@@ -418,63 +458,6 @@ void RendererOpenGL::CaptureScreenshot() {
renderer_settings.screenshot_requested = false;
}
-static const char* GetSource(GLenum source) {
-#define RET(s) \
- case GL_DEBUG_SOURCE_##s: \
- return #s
- switch (source) {
- RET(API);
- RET(WINDOW_SYSTEM);
- RET(SHADER_COMPILER);
- RET(THIRD_PARTY);
- RET(APPLICATION);
- RET(OTHER);
- default:
- UNREACHABLE();
- return "Unknown source";
- }
-#undef RET
-}
-
-static const char* GetType(GLenum type) {
-#define RET(t) \
- case GL_DEBUG_TYPE_##t: \
- return #t
- switch (type) {
- RET(ERROR);
- RET(DEPRECATED_BEHAVIOR);
- RET(UNDEFINED_BEHAVIOR);
- RET(PORTABILITY);
- RET(PERFORMANCE);
- RET(OTHER);
- RET(MARKER);
- default:
- UNREACHABLE();
- return "Unknown type";
- }
-#undef RET
-}
-
-static void APIENTRY DebugHandler(GLenum source, GLenum type, GLuint id, GLenum severity,
- GLsizei length, const GLchar* message, const void* user_param) {
- const char format[] = "{} {} {}: {}";
- const char* const str_source = GetSource(source);
- const char* const str_type = GetType(type);
-
- switch (severity) {
- case GL_DEBUG_SEVERITY_HIGH:
- LOG_CRITICAL(Render_OpenGL, format, str_source, str_type, id, message);
- break;
- case GL_DEBUG_SEVERITY_MEDIUM:
- LOG_WARNING(Render_OpenGL, format, str_source, str_type, id, message);
- break;
- case GL_DEBUG_SEVERITY_NOTIFICATION:
- case GL_DEBUG_SEVERITY_LOW:
- LOG_DEBUG(Render_OpenGL, format, str_source, str_type, id, message);
- break;
- }
-}
-
bool RendererOpenGL::Init() {
Core::Frontend::ScopeAcquireWindowContext acquire_context{render_window};
@@ -495,7 +478,6 @@ bool RendererOpenGL::Init() {
return true;
}
-/// Shutdown the renderer
void RendererOpenGL::ShutDown() {}
} // namespace OpenGL
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