diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_rasterizer.cpp')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.cpp | 395 |
1 files changed, 352 insertions, 43 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index 24cfff229..911890f16 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -14,11 +14,16 @@ #include "common/microprofile.h" #include "common/scope_exit.h" #include "common/vector_math.h" +#include "core/core.h" +#include "core/hle/kernel/process.h" #include "core/settings.h" +#include "video_core/engines/maxwell_3d.h" #include "video_core/renderer_opengl/gl_rasterizer.h" #include "video_core/renderer_opengl/gl_shader_gen.h" +#include "video_core/renderer_opengl/maxwell_to_gl.h" #include "video_core/renderer_opengl/renderer_opengl.h" +using Maxwell = Tegra::Engines::Maxwell3D::Regs; using PixelFormat = SurfaceParams::PixelFormat; using SurfaceType = SurfaceParams::SurfaceType; @@ -54,6 +59,8 @@ static void SetShaderUniformBlockBindings(GLuint shader) { } RasterizerOpenGL::RasterizerOpenGL() { + shader_dirty = true; + has_ARB_buffer_storage = false; has_ARB_direct_state_access = false; has_ARB_separate_shader_objects = false; @@ -106,8 +113,6 @@ RasterizerOpenGL::RasterizerOpenGL() { state.draw.vertex_buffer = stream_buffer->GetHandle(); pipeline.Create(); - vs_input_index_min = 0; - vs_input_index_max = 0; state.draw.program_pipeline = pipeline.handle; state.draw.shader_program = 0; state.draw.vertex_array = hw_vao.handle; @@ -120,20 +125,14 @@ RasterizerOpenGL::RasterizerOpenGL() { glBufferData(GL_UNIFORM_BUFFER, sizeof(VSUniformData), nullptr, GL_STREAM_COPY); glBindBufferBase(GL_UNIFORM_BUFFER, 1, vs_uniform_buffer.handle); } else { - UNIMPLEMENTED(); + UNREACHABLE(); } accelerate_draw = AccelDraw::Disabled; glEnable(GL_BLEND); - // Sync fixed function OpenGL state - SyncClipEnabled(); - SyncClipCoef(); - SyncCullMode(); - SyncBlendEnabled(); - SyncBlendFuncs(); - SyncBlendColor(); + LOG_CRITICAL(Render_OpenGL, "Sync fixed function OpenGL state here!"); } RasterizerOpenGL::~RasterizerOpenGL() { @@ -144,47 +143,235 @@ RasterizerOpenGL::~RasterizerOpenGL() { } } -static constexpr std::array<GLenum, 4> vs_attrib_types{ - GL_BYTE, // VertexAttributeFormat::BYTE - GL_UNSIGNED_BYTE, // VertexAttributeFormat::UBYTE - GL_SHORT, // VertexAttributeFormat::SHORT - GL_FLOAT // VertexAttributeFormat::FLOAT -}; - void RasterizerOpenGL::AnalyzeVertexArray(bool is_indexed) { - UNIMPLEMENTED(); + const auto& regs = Core::System().GetInstance().GPU().Maxwell3D().regs; + + if (is_indexed) { + UNREACHABLE(); + } + + // TODO(bunnei): Add support for 1+ vertex arrays + vs_input_size = regs.vertex_buffer.count * regs.vertex_array[0].stride; } void RasterizerOpenGL::SetupVertexArray(u8* array_ptr, GLintptr buffer_offset) { MICROPROFILE_SCOPE(OpenGL_VAO); - UNIMPLEMENTED(); + const auto& regs = Core::System().GetInstance().GPU().Maxwell3D().regs; + const auto& memory_manager = Core::System().GetInstance().GPU().memory_manager; + + state.draw.vertex_array = hw_vao.handle; + state.draw.vertex_buffer = stream_buffer->GetHandle(); + state.Apply(); + + // TODO(bunnei): Add support for 1+ vertex arrays + const auto& vertex_array{regs.vertex_array[0]}; + ASSERT_MSG(vertex_array.enable, "vertex array 0 is disabled?"); + ASSERT_MSG(!vertex_array.divisor, "vertex array 0 divisor is unimplemented!"); + for (unsigned index = 1; index < Maxwell::NumVertexArrays; ++index) { + ASSERT_MSG(!regs.vertex_array[index].enable, "vertex array %d is unimplemented!", index); + } + + // Use the vertex array as-is, assumes that the data is formatted correctly for OpenGL. + // Enables the first 16 vertex attributes always, as we don't know which ones are actually used + // until shader time. Note, Tegra technically supports 32, but we're cappinig this to 16 for now + // to avoid OpenGL errors. + for (unsigned index = 0; index < 16; ++index) { + auto& attrib = regs.vertex_attrib_format[index]; + glVertexAttribPointer(index, attrib.ComponentCount(), MaxwellToGL::VertexType(attrib), + attrib.IsNormalized() ? GL_TRUE : GL_FALSE, vertex_array.stride, + reinterpret_cast<GLvoid*>(buffer_offset + attrib.offset)); + glEnableVertexAttribArray(index); + hw_vao_enabled_attributes[index] = true; + } + + // Copy vertex array data + const u32 data_size{vertex_array.stride * regs.vertex_buffer.count}; + const VAddr data_addr{memory_manager->PhysicalToVirtualAddress(vertex_array.StartAddress())}; + res_cache.FlushRegion(data_addr, data_size, nullptr); + Memory::ReadBlock(data_addr, array_ptr, data_size); + + array_ptr += data_size; + buffer_offset += data_size; } void RasterizerOpenGL::SetupVertexShader(VSUniformData* ub_ptr, GLintptr buffer_offset) { MICROPROFILE_SCOPE(OpenGL_VS); - UNIMPLEMENTED(); + LOG_CRITICAL(Render_OpenGL, "Emulated shaders are not supported! Using a passthrough shader."); + glUseProgramStages(pipeline.handle, GL_VERTEX_SHADER_BIT, current_shader->shader.handle); } void RasterizerOpenGL::SetupFragmentShader(FSUniformData* ub_ptr, GLintptr buffer_offset) { MICROPROFILE_SCOPE(OpenGL_FS); - UNIMPLEMENTED(); + UNREACHABLE(); } bool RasterizerOpenGL::AccelerateDrawBatch(bool is_indexed) { if (!has_ARB_separate_shader_objects) { - UNIMPLEMENTED(); + UNREACHABLE(); return false; } accelerate_draw = is_indexed ? AccelDraw::Indexed : AccelDraw::Arrays; - DrawTriangles(); + DrawArrays(); return true; } -void RasterizerOpenGL::DrawTriangles() { +void RasterizerOpenGL::DrawArrays() { + if (accelerate_draw == AccelDraw::Disabled) + return; + MICROPROFILE_SCOPE(OpenGL_Drawing); - UNIMPLEMENTED(); + const auto& regs = Core::System().GetInstance().GPU().Maxwell3D().regs; + + // TODO(bunnei): Implement these + const bool has_stencil = false; + const bool using_color_fb = true; + const bool using_depth_fb = false; + const MathUtil::Rectangle<s32> viewport_rect{regs.viewport[0].GetRect()}; + + const bool write_color_fb = + state.color_mask.red_enabled == GL_TRUE || state.color_mask.green_enabled == GL_TRUE || + state.color_mask.blue_enabled == GL_TRUE || state.color_mask.alpha_enabled == GL_TRUE; + + const bool write_depth_fb = + (state.depth.test_enabled && state.depth.write_mask == GL_TRUE) || + (has_stencil && state.stencil.test_enabled && state.stencil.write_mask != 0); + + Surface color_surface; + Surface depth_surface; + MathUtil::Rectangle<u32> surfaces_rect; + std::tie(color_surface, depth_surface, surfaces_rect) = + res_cache.GetFramebufferSurfaces(using_color_fb, using_depth_fb, viewport_rect); + + const u16 res_scale = color_surface != nullptr + ? color_surface->res_scale + : (depth_surface == nullptr ? 1u : depth_surface->res_scale); + + MathUtil::Rectangle<u32> draw_rect{ + static_cast<u32>(MathUtil::Clamp<s32>(static_cast<s32>(surfaces_rect.left) + + viewport_rect.left * res_scale, + surfaces_rect.left, surfaces_rect.right)), // Left + static_cast<u32>(MathUtil::Clamp<s32>(static_cast<s32>(surfaces_rect.bottom) + + viewport_rect.top * res_scale, + surfaces_rect.bottom, surfaces_rect.top)), // Top + static_cast<u32>(MathUtil::Clamp<s32>(static_cast<s32>(surfaces_rect.left) + + viewport_rect.right * res_scale, + surfaces_rect.left, surfaces_rect.right)), // Right + static_cast<u32>(MathUtil::Clamp<s32>(static_cast<s32>(surfaces_rect.bottom) + + viewport_rect.bottom * res_scale, + surfaces_rect.bottom, surfaces_rect.top))}; // Bottom + + // Bind the framebuffer surfaces + BindFramebufferSurfaces(color_surface, depth_surface, has_stencil); + + // Sync the viewport + SyncViewport(surfaces_rect, res_scale); + + // TODO(bunnei): Sync framebuffer_scale uniform here + // TODO(bunnei): Sync scissorbox uniform(s) here + // TODO(bunnei): Sync and bind the texture surfaces + + // Sync and bind the shader + if (shader_dirty) { + SetShader(); + shader_dirty = false; + } + + // Sync the uniform data + if (uniform_block_data.dirty) { + glBufferSubData(GL_UNIFORM_BUFFER, 0, sizeof(UniformData), &uniform_block_data.data); + uniform_block_data.dirty = false; + } + + // Viewport can have negative offsets or larger dimensions than our framebuffer sub-rect. Enable + // scissor test to prevent drawing outside of the framebuffer region + state.scissor.enabled = true; + state.scissor.x = draw_rect.left; + state.scissor.y = draw_rect.bottom; + state.scissor.width = draw_rect.GetWidth(); + state.scissor.height = draw_rect.GetHeight(); + state.Apply(); + + // Draw the vertex batch + const bool is_indexed = accelerate_draw == AccelDraw::Indexed; + AnalyzeVertexArray(is_indexed); + state.draw.vertex_buffer = stream_buffer->GetHandle(); + state.Apply(); + + size_t buffer_size = static_cast<size_t>(vs_input_size); + if (is_indexed) { + UNREACHABLE(); + } + buffer_size += sizeof(VSUniformData); + + size_t ptr_pos = 0; + u8* buffer_ptr; + GLintptr buffer_offset; + std::tie(buffer_ptr, buffer_offset) = + stream_buffer->Map(static_cast<GLsizeiptr>(buffer_size), 4); + + SetupVertexArray(buffer_ptr, buffer_offset); + ptr_pos += vs_input_size; + + GLintptr index_buffer_offset = 0; + if (is_indexed) { + UNREACHABLE(); + } + + SetupVertexShader(reinterpret_cast<VSUniformData*>(&buffer_ptr[ptr_pos]), + buffer_offset + static_cast<GLintptr>(ptr_pos)); + const GLintptr vs_ubo_offset = buffer_offset + static_cast<GLintptr>(ptr_pos); + ptr_pos += sizeof(VSUniformData); + + stream_buffer->Unmap(); + + const auto copy_buffer = [&](GLuint handle, GLintptr offset, GLsizeiptr size) { + if (has_ARB_direct_state_access) { + glCopyNamedBufferSubData(stream_buffer->GetHandle(), handle, offset, 0, size); + } else { + glBindBuffer(GL_COPY_WRITE_BUFFER, handle); + glCopyBufferSubData(GL_ARRAY_BUFFER, GL_COPY_WRITE_BUFFER, offset, 0, size); + } + }; + + copy_buffer(vs_uniform_buffer.handle, vs_ubo_offset, sizeof(VSUniformData)); + + glUseProgramStages(pipeline.handle, GL_FRAGMENT_SHADER_BIT, current_shader->shader.handle); + + if (is_indexed) { + UNREACHABLE(); + } else { + glDrawArrays(MaxwellToGL::PrimitiveTopology(regs.draw.topology), 0, + regs.vertex_buffer.count); + } + + // Disable scissor test + state.scissor.enabled = false; + + accelerate_draw = AccelDraw::Disabled; + + // Unbind textures for potential future use as framebuffer attachments + for (auto& texture_unit : state.texture_units) { + texture_unit.texture_2d = 0; + } + state.Apply(); + + // Mark framebuffer surfaces as dirty + MathUtil::Rectangle<u32> draw_rect_unscaled{ + draw_rect.left / res_scale, draw_rect.top / res_scale, draw_rect.right / res_scale, + draw_rect.bottom / res_scale}; + + if (color_surface != nullptr && write_color_fb) { + auto interval = color_surface->GetSubRectInterval(draw_rect_unscaled); + res_cache.InvalidateRegion(boost::icl::first(interval), boost::icl::length(interval), + color_surface); + } + if (depth_surface != nullptr && write_depth_fb) { + auto interval = depth_surface->GetSubRectInterval(draw_rect_unscaled); + res_cache.InvalidateRegion(boost::icl::first(interval), boost::icl::length(interval), + depth_surface); + } } void RasterizerOpenGL::NotifyMaxwellRegisterChanged(u32 id) {} @@ -194,17 +381,17 @@ void RasterizerOpenGL::FlushAll() { res_cache.FlushAll(); } -void RasterizerOpenGL::FlushRegion(PAddr addr, u32 size) { +void RasterizerOpenGL::FlushRegion(VAddr addr, u64 size) { MICROPROFILE_SCOPE(OpenGL_CacheManagement); res_cache.FlushRegion(addr, size); } -void RasterizerOpenGL::InvalidateRegion(PAddr addr, u32 size) { +void RasterizerOpenGL::InvalidateRegion(VAddr addr, u64 size) { MICROPROFILE_SCOPE(OpenGL_CacheManagement); res_cache.InvalidateRegion(addr, size, nullptr); } -void RasterizerOpenGL::FlushAndInvalidateRegion(PAddr addr, u32 size) { +void RasterizerOpenGL::FlushAndInvalidateRegion(VAddr addr, u64 size) { MICROPROFILE_SCOPE(OpenGL_CacheManagement); res_cache.FlushRegion(addr, size); res_cache.InvalidateRegion(addr, size, nullptr); @@ -212,58 +399,180 @@ void RasterizerOpenGL::FlushAndInvalidateRegion(PAddr addr, u32 size) { bool RasterizerOpenGL::AccelerateDisplayTransfer(const void* config) { MICROPROFILE_SCOPE(OpenGL_Blits); - UNIMPLEMENTED(); + UNREACHABLE(); return true; } bool RasterizerOpenGL::AccelerateTextureCopy(const void* config) { - UNIMPLEMENTED(); + UNREACHABLE(); return true; } bool RasterizerOpenGL::AccelerateFill(const void* config) { - UNIMPLEMENTED(); + UNREACHABLE(); return true; } -bool RasterizerOpenGL::AccelerateDisplay(const void* config, PAddr framebuffer_addr, - u32 pixel_stride, ScreenInfo& screen_info) { - UNIMPLEMENTED(); +bool RasterizerOpenGL::AccelerateDisplay(const Tegra::FramebufferConfig& framebuffer, + VAddr framebuffer_addr, u32 pixel_stride, + ScreenInfo& screen_info) { + if (framebuffer_addr == 0) { + return false; + } + MICROPROFILE_SCOPE(OpenGL_CacheManagement); + + SurfaceParams src_params; + src_params.addr = framebuffer_addr; + src_params.width = std::min(framebuffer.width, pixel_stride); + src_params.height = framebuffer.height; + src_params.stride = pixel_stride; + src_params.is_tiled = false; + src_params.pixel_format = + SurfaceParams::PixelFormatFromGPUPixelFormat(framebuffer.pixel_format); + src_params.UpdateParams(); + + MathUtil::Rectangle<u32> src_rect; + Surface src_surface; + std::tie(src_surface, src_rect) = + res_cache.GetSurfaceSubRect(src_params, ScaleMatch::Ignore, true); + + if (src_surface == nullptr) { + return false; + } + + u32 scaled_width = src_surface->GetScaledWidth(); + u32 scaled_height = src_surface->GetScaledHeight(); + + screen_info.display_texcoords = MathUtil::Rectangle<float>( + (float)src_rect.bottom / (float)scaled_height, (float)src_rect.left / (float)scaled_width, + (float)src_rect.top / (float)scaled_height, (float)src_rect.right / (float)scaled_width); + + screen_info.display_texture = src_surface->texture.handle; + return true; } void RasterizerOpenGL::SetShader() { - UNIMPLEMENTED(); + // TODO(bunnei): The below sets up a static test shader for passing untransformed vertices to + // OpenGL for rendering. This should be removed/replaced when we start emulating Maxwell + // shaders. + + static constexpr char vertex_shader[] = R"( +#version 150 core + +in vec2 vert_position; +in vec2 vert_tex_coord; +out vec2 frag_tex_coord; + +void main() { + // Multiply input position by the rotscale part of the matrix and then manually translate by + // the last column. This is equivalent to using a full 3x3 matrix and expanding the vector + // to `vec3(vert_position.xy, 1.0)` + gl_Position = vec4(mat2(mat3x2(0.0015625f, 0.0, 0.0, -0.0027778, -1.0, 1.0)) * vert_position + mat3x2(0.0015625f, 0.0, 0.0, -0.0027778, -1.0, 1.0)[2], 0.0, 1.0); + frag_tex_coord = vert_tex_coord; +} +)"; + + static constexpr char fragment_shader[] = R"( +#version 150 core + +in vec2 frag_tex_coord; +out vec4 color; + +uniform sampler2D color_texture; + +void main() { + color = vec4(1.0, 0.0, 1.0, 0.0); +} +)"; + + if (current_shader) { + return; + } + + LOG_CRITICAL(Render_OpenGL, "Emulated shaders are not supported! Using a passthrough shader."); + + current_shader = &test_shader; + if (has_ARB_separate_shader_objects) { + test_shader.shader.Create(vertex_shader, nullptr, fragment_shader, {}, true); + glActiveShaderProgram(pipeline.handle, test_shader.shader.handle); + } else { + UNREACHABLE(); + } + + state.draw.shader_program = test_shader.shader.handle; + state.Apply(); + + if (has_ARB_separate_shader_objects) { + state.draw.shader_program = 0; + state.Apply(); + } +} + +void RasterizerOpenGL::BindFramebufferSurfaces(const Surface& color_surface, + const Surface& depth_surface, bool has_stencil) { + state.draw.draw_framebuffer = framebuffer.handle; + state.Apply(); + + glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, + color_surface != nullptr ? color_surface->texture.handle : 0, 0); + if (depth_surface != nullptr) { + if (has_stencil) { + // attach both depth and stencil + glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, + depth_surface->texture.handle, 0); + } else { + // attach depth + glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, + depth_surface->texture.handle, 0); + // clear stencil attachment + glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0); + } + } else { + // clear both depth and stencil attachment + glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, + 0); + } +} + +void RasterizerOpenGL::SyncViewport(const MathUtil::Rectangle<u32>& surfaces_rect, u16 res_scale) { + const auto& regs = Core::System().GetInstance().GPU().Maxwell3D().regs; + const MathUtil::Rectangle<s32> viewport_rect{regs.viewport[0].GetRect()}; + + state.viewport.x = static_cast<GLint>(surfaces_rect.left) + viewport_rect.left * res_scale; + state.viewport.y = static_cast<GLint>(surfaces_rect.bottom) + viewport_rect.bottom * res_scale; + state.viewport.width = static_cast<GLsizei>(viewport_rect.GetWidth() * res_scale); + state.viewport.height = static_cast<GLsizei>(viewport_rect.GetHeight() * res_scale); } void RasterizerOpenGL::SyncClipEnabled() { - UNIMPLEMENTED(); + UNREACHABLE(); } void RasterizerOpenGL::SyncClipCoef() { - UNIMPLEMENTED(); + UNREACHABLE(); } void RasterizerOpenGL::SyncCullMode() { - UNIMPLEMENTED(); + UNREACHABLE(); } void RasterizerOpenGL::SyncDepthScale() { - UNIMPLEMENTED(); + UNREACHABLE(); } void RasterizerOpenGL::SyncDepthOffset() { - UNIMPLEMENTED(); + UNREACHABLE(); } void RasterizerOpenGL::SyncBlendEnabled() { - UNIMPLEMENTED(); + UNREACHABLE(); } void RasterizerOpenGL::SyncBlendFuncs() { - UNIMPLEMENTED(); + UNREACHABLE(); } void RasterizerOpenGL::SyncBlendColor() { - UNIMPLEMENTED(); + UNREACHABLE(); } |