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authorReinUsesLisp <reinuseslisp@airmail.cc>2019-06-20 08:44:06 +0200
committerReinUsesLisp <reinuseslisp@airmail.cc>2019-07-06 05:37:55 +0200
commit9cdc576f6055cbb308551f09e3566b34233b226e (patch)
tree7106c6ef615e0771a070afc3180d30cade558e74 /src/video_core
parentgl_buffer_cache: Implement with generic buffer cache (diff)
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Diffstat (limited to 'src/video_core')
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp14
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.h3
-rw-r--r--src/video_core/renderer_opengl/utils.cpp31
-rw-r--r--src/video_core/renderer_opengl/utils.h27
4 files changed, 67 insertions, 8 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index b57d60856..f3527d65b 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -198,9 +198,8 @@ void RasterizerOpenGL::SetupVertexBuffer(GLuint vao) {
const auto [vertex_buffer, vertex_buffer_offset] = buffer_cache.UploadMemory(start, size);
// Bind the vertex array to the buffer at the current offset.
- // FIXME(Rodrigo): This dereferenced pointer might be invalidated in future uploads.
- glVertexArrayVertexBuffer(vao, index, *vertex_buffer, vertex_buffer_offset,
- vertex_array.stride);
+ vertex_array_pushbuffer.SetVertexBuffer(index, vertex_buffer, vertex_buffer_offset,
+ vertex_array.stride);
if (regs.instanced_arrays.IsInstancingEnabled(index) && vertex_array.divisor != 0) {
// Enable vertex buffer instancing with the specified divisor.
@@ -214,7 +213,7 @@ void RasterizerOpenGL::SetupVertexBuffer(GLuint vao) {
gpu.dirty_flags.vertex_array.reset();
}
-GLintptr RasterizerOpenGL::SetupIndexBuffer(GLuint vao) {
+GLintptr RasterizerOpenGL::SetupIndexBuffer() {
if (accelerate_draw != AccelDraw::Indexed) {
return 0;
}
@@ -222,8 +221,7 @@ GLintptr RasterizerOpenGL::SetupIndexBuffer(GLuint vao) {
const auto& regs = system.GPU().Maxwell3D().regs;
const std::size_t size = CalculateIndexBufferSize();
const auto [buffer, offset] = buffer_cache.UploadMemory(regs.index_array.IndexStart(), size);
- // FIXME(Rodrigo): This dereferenced pointer might be invalidated in future uploads.
- glVertexArrayElementBuffer(vao, *buffer);
+ vertex_array_pushbuffer.SetIndexBuffer(buffer);
return offset;
}
@@ -644,10 +642,11 @@ void RasterizerOpenGL::DrawArrays() {
// Prepare vertex array format.
const GLuint vao = SetupVertexFormat();
+ vertex_array_pushbuffer.Setup(vao);
// Upload vertex and index data.
SetupVertexBuffer(vao);
- const GLintptr index_buffer_offset = SetupIndexBuffer(vao);
+ const GLintptr index_buffer_offset = SetupIndexBuffer();
// Setup draw parameters. It will automatically choose what glDraw* method to use.
const DrawParameters params = SetupDraw(index_buffer_offset);
@@ -667,6 +666,7 @@ void RasterizerOpenGL::DrawArrays() {
const bool invalidate = buffer_cache.Unmap();
// Now that we are no longer uploading data, we can safely bind the buffers to OpenGL.
+ vertex_array_pushbuffer.Bind();
bind_ubo_pushbuffer.Bind();
bind_ssbo_pushbuffer.Bind();
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index 7067ad5b4..1c915fd7f 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -207,6 +207,7 @@ private:
static constexpr std::size_t STREAM_BUFFER_SIZE = 128 * 1024 * 1024;
OGLBufferCache buffer_cache;
+ VertexArrayPushBuffer vertex_array_pushbuffer;
BindBuffersRangePushBuffer bind_ubo_pushbuffer{GL_UNIFORM_BUFFER};
BindBuffersRangePushBuffer bind_ssbo_pushbuffer{GL_SHADER_STORAGE_BUFFER};
@@ -219,7 +220,7 @@ private:
void SetupVertexBuffer(GLuint vao);
- GLintptr SetupIndexBuffer(GLuint vao);
+ GLintptr SetupIndexBuffer();
DrawParameters SetupDraw(GLintptr index_buffer_offset);
diff --git a/src/video_core/renderer_opengl/utils.cpp b/src/video_core/renderer_opengl/utils.cpp
index 22eefa1d7..c504a2c1a 100644
--- a/src/video_core/renderer_opengl/utils.cpp
+++ b/src/video_core/renderer_opengl/utils.cpp
@@ -13,6 +13,37 @@
namespace OpenGL {
+VertexArrayPushBuffer::VertexArrayPushBuffer() = default;
+
+VertexArrayPushBuffer::~VertexArrayPushBuffer() = default;
+
+void VertexArrayPushBuffer::Setup(GLuint vao_) {
+ vao = vao_;
+ index_buffer = nullptr;
+ vertex_buffers.clear();
+}
+
+void VertexArrayPushBuffer::SetIndexBuffer(const GLuint* buffer) {
+ index_buffer = buffer;
+}
+
+void VertexArrayPushBuffer::SetVertexBuffer(GLuint binding_index, const GLuint* buffer,
+ GLintptr offset, GLsizei stride) {
+ vertex_buffers.push_back(Entry{binding_index, buffer, offset, stride});
+}
+
+void VertexArrayPushBuffer::Bind() {
+ if (index_buffer) {
+ glVertexArrayElementBuffer(vao, *index_buffer);
+ }
+
+ // TODO(Rodrigo): Find a way to ARB_multi_bind this
+ for (const auto& entry : vertex_buffers) {
+ glVertexArrayVertexBuffer(vao, entry.binding_index, *entry.buffer, entry.offset,
+ entry.stride);
+ }
+}
+
BindBuffersRangePushBuffer::BindBuffersRangePushBuffer(GLenum target) : target{target} {}
BindBuffersRangePushBuffer::~BindBuffersRangePushBuffer() = default;
diff --git a/src/video_core/renderer_opengl/utils.h b/src/video_core/renderer_opengl/utils.h
index d2a3d25d9..6c2b45546 100644
--- a/src/video_core/renderer_opengl/utils.h
+++ b/src/video_core/renderer_opengl/utils.h
@@ -11,6 +11,33 @@
namespace OpenGL {
+class VertexArrayPushBuffer final {
+public:
+ explicit VertexArrayPushBuffer();
+ ~VertexArrayPushBuffer();
+
+ void Setup(GLuint vao_);
+
+ void SetIndexBuffer(const GLuint* buffer);
+
+ void SetVertexBuffer(GLuint binding_index, const GLuint* buffer, GLintptr offset,
+ GLsizei stride);
+
+ void Bind();
+
+private:
+ struct Entry {
+ GLuint binding_index{};
+ const GLuint* buffer{};
+ GLintptr offset{};
+ GLsizei stride{};
+ };
+
+ GLuint vao{};
+ const GLuint* index_buffer{};
+ std::vector<Entry> vertex_buffers;
+};
+
class BindBuffersRangePushBuffer final {
public:
explicit BindBuffersRangePushBuffer(GLenum target);