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-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp28
-rw-r--r--src/video_core/renderer_opengl/renderer_opengl.cpp17
-rw-r--r--src/video_core/renderer_opengl/renderer_opengl.h3
3 files changed, 39 insertions, 9 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 7cb378a71..362457ffe 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -61,7 +61,8 @@ constexpr std::size_t NUM_CONST_BUFFERS_BYTES_PER_STAGE =
constexpr std::size_t TOTAL_CONST_BUFFER_BYTES =
NUM_CONST_BUFFERS_BYTES_PER_STAGE * Maxwell::MaxShaderStage;
-constexpr std::size_t NumSupportedVertexAttributes = 16;
+constexpr std::size_t NUM_SUPPORTED_VERTEX_ATTRIBUTES = 16;
+constexpr std::size_t NUM_SUPPORTED_VERTEX_BINDINGS = 16;
template <typename Engine, typename Entry>
Tegra::Texture::FullTextureInfo GetTextureInfo(const Engine& engine, const Entry& entry,
@@ -193,7 +194,7 @@ void RasterizerOpenGL::SetupVertexFormat() {
// avoid OpenGL errors.
// TODO(Subv): Analyze the shader to identify which attributes are actually used and don't
// assume every shader uses them all.
- for (std::size_t index = 0; index < NumSupportedVertexAttributes; ++index) {
+ for (std::size_t index = 0; index < NUM_SUPPORTED_VERTEX_ATTRIBUTES; ++index) {
if (!flags[Dirty::VertexFormat0 + index]) {
continue;
}
@@ -231,9 +232,11 @@ void RasterizerOpenGL::SetupVertexBuffer() {
MICROPROFILE_SCOPE(OpenGL_VB);
+ const bool use_unified_memory = device.HasVertexBufferUnifiedMemory();
+
// Upload all guest vertex arrays sequentially to our buffer
const auto& regs = gpu.regs;
- for (std::size_t index = 0; index < Maxwell::NumVertexArrays; ++index) {
+ for (std::size_t index = 0; index < NUM_SUPPORTED_VERTEX_BINDINGS; ++index) {
if (!flags[Dirty::VertexBuffer0 + index]) {
continue;
}
@@ -246,16 +249,25 @@ void RasterizerOpenGL::SetupVertexBuffer() {
const GPUVAddr start = vertex_array.StartAddress();
const GPUVAddr end = regs.vertex_array_limit[index].LimitAddress();
-
ASSERT(end >= start);
+
+ const GLuint gl_index = static_cast<GLuint>(index);
const u64 size = end - start;
if (size == 0) {
- glBindVertexBuffer(static_cast<GLuint>(index), 0, 0, vertex_array.stride);
+ glBindVertexBuffer(gl_index, 0, 0, vertex_array.stride);
+ if (use_unified_memory) {
+ glBufferAddressRangeNV(GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV, gl_index, 0, 0);
+ }
continue;
}
const auto info = buffer_cache.UploadMemory(start, size);
- glBindVertexBuffer(static_cast<GLuint>(index), info.handle, info.offset,
- vertex_array.stride);
+ if (use_unified_memory) {
+ glBindVertexBuffer(gl_index, 0, 0, vertex_array.stride);
+ glBufferAddressRangeNV(GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV, gl_index,
+ info.address + info.offset, size);
+ } else {
+ glBindVertexBuffer(gl_index, info.handle, info.offset, vertex_array.stride);
+ }
}
}
@@ -268,7 +280,7 @@ void RasterizerOpenGL::SetupVertexInstances() {
flags[Dirty::VertexInstances] = false;
const auto& regs = gpu.regs;
- for (std::size_t index = 0; index < NumSupportedVertexAttributes; ++index) {
+ for (std::size_t index = 0; index < NUM_SUPPORTED_VERTEX_ATTRIBUTES; ++index) {
if (!flags[Dirty::VertexInstance0 + index]) {
continue;
}
diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp
index 6214fcbc3..c40adb6e7 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.cpp
+++ b/src/video_core/renderer_opengl/renderer_opengl.cpp
@@ -488,6 +488,15 @@ void RendererOpenGL::InitOpenGLObjects() {
// Clear screen to black
LoadColorToActiveGLTexture(0, 0, 0, 0, screen_info.texture);
+
+ // Enable unified vertex attributes and query vertex buffer address when the driver supports it
+ if (device.HasVertexBufferUnifiedMemory()) {
+ glEnableClientState(GL_VERTEX_ATTRIB_ARRAY_UNIFIED_NV);
+
+ glMakeNamedBufferResidentNV(vertex_buffer.handle, GL_READ_ONLY);
+ glGetNamedBufferParameterui64vNV(vertex_buffer.handle, GL_BUFFER_GPU_ADDRESS_NV,
+ &vertex_buffer_address);
+ }
}
void RendererOpenGL::AddTelemetryFields() {
@@ -656,7 +665,13 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
offsetof(ScreenRectVertex, tex_coord));
glVertexAttribBinding(PositionLocation, 0);
glVertexAttribBinding(TexCoordLocation, 0);
- glBindVertexBuffer(0, vertex_buffer.handle, 0, sizeof(ScreenRectVertex));
+ if (device.HasVertexBufferUnifiedMemory()) {
+ glBindVertexBuffer(0, 0, 0, sizeof(ScreenRectVertex));
+ glBufferAddressRangeNV(GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV, 0, vertex_buffer_address,
+ sizeof(vertices));
+ } else {
+ glBindVertexBuffer(0, vertex_buffer.handle, 0, sizeof(ScreenRectVertex));
+ }
glBindTextureUnit(0, screen_info.display_texture);
glBindSampler(0, 0);
diff --git a/src/video_core/renderer_opengl/renderer_opengl.h b/src/video_core/renderer_opengl/renderer_opengl.h
index 61bf507f4..8b18d32e6 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.h
+++ b/src/video_core/renderer_opengl/renderer_opengl.h
@@ -107,6 +107,9 @@ private:
OGLPipeline pipeline;
OGLFramebuffer screenshot_framebuffer;
+ // GPU address of the vertex buffer
+ GLuint64EXT vertex_buffer_address = 0;
+
/// Display information for Switch screen
ScreenInfo screen_info;