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gl_rasterizer: fallback to software shader path if buffer overflow happens on hardware shader path

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This commit is contained in:
wwylele 2018-05-18 13:55:19 +03:00
parent 6985b13439
commit dd6252a676
2 changed files with 21 additions and 7 deletions
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24
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -438,8 +438,7 @@ bool RasterizerOpenGL::AccelerateDrawBatch(bool is_indexed) {
if (!SetupGeometryShader())
return false;
Draw(true, is_indexed);
return true;
return Draw(true, is_indexed);
}
static GLenum GetCurrentPrimitiveMode(bool use_gs) {
@ -475,12 +474,17 @@ static GLenum GetCurrentPrimitiveMode(bool use_gs) {
}
}
void RasterizerOpenGL::AccelerateDrawBatchInternal(bool is_indexed, bool use_gs) {
bool RasterizerOpenGL::AccelerateDrawBatchInternal(bool is_indexed, bool use_gs) {
const auto& regs = Pica::g_state.regs;
GLenum primitive_mode = GetCurrentPrimitiveMode(use_gs);
auto [vs_input_index_min, vs_input_index_max, vs_input_size] = AnalyzeVertexArray(is_indexed);
if (vs_input_size > VERTEX_BUFFER_SIZE) {
NGLOG_WARNING(Render_OpenGL, "Too large vertex input size {}", vs_input_size);
return false;
}
state.draw.vertex_buffer = vertex_buffer.GetHandle();
state.Apply();
@ -496,6 +500,12 @@ void RasterizerOpenGL::AccelerateDrawBatchInternal(bool is_indexed, bool use_gs)
if (is_indexed) {
bool index_u16 = regs.pipeline.index_array.format != 0;
std::size_t index_buffer_size = regs.pipeline.num_vertices * (index_u16 ? 2 : 1);
if (index_buffer_size > INDEX_BUFFER_SIZE) {
NGLOG_WARNING(Render_OpenGL, "Too large index input size {}", index_buffer_size);
return false;
}
const u8* index_data =
Memory::GetPhysicalPointer(regs.pipeline.vertex_attributes.GetPhysicalBaseAddress() +
regs.pipeline.index_array.offset);
@ -510,6 +520,7 @@ void RasterizerOpenGL::AccelerateDrawBatchInternal(bool is_indexed, bool use_gs)
} else {
glDrawArrays(primitive_mode, 0, regs.pipeline.num_vertices);
}
return true;
}
void RasterizerOpenGL::DrawTriangles() {
@ -518,7 +529,7 @@ void RasterizerOpenGL::DrawTriangles() {
Draw(false, false);
}
void RasterizerOpenGL::Draw(bool accelerate, bool is_indexed) {
bool RasterizerOpenGL::Draw(bool accelerate, bool is_indexed) {
MICROPROFILE_SCOPE(OpenGL_Drawing);
const auto& regs = Pica::g_state.regs;
@ -746,8 +757,9 @@ void RasterizerOpenGL::Draw(bool accelerate, bool is_indexed) {
state.Apply();
// Draw the vertex batch
bool succeeded = true;
if (accelerate) {
AccelerateDrawBatchInternal(is_indexed, use_gs);
succeeded = AccelerateDrawBatchInternal(is_indexed, use_gs);
} else {
state.draw.vertex_array = sw_vao.handle;
state.draw.vertex_buffer = vertex_buffer.GetHandle();
@ -798,6 +810,8 @@ void RasterizerOpenGL::Draw(bool accelerate, bool is_indexed) {
res_cache.InvalidateRegion(boost::icl::first(interval), boost::icl::length(interval),
depth_surface);
}
return succeeded;
}
void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) {

4
src/video_core/renderer_opengl/gl_rasterizer.h
View File

@ -221,10 +221,10 @@ private:
void UploadUniforms(bool accelerate_draw, bool use_gs);
/// Generic draw function for DrawTriangles and AccelerateDrawBatch
void Draw(bool accelerate, bool is_indexed);
bool Draw(bool accelerate, bool is_indexed);
/// Internal implementation for AccelerateDrawBatch
void AccelerateDrawBatchInternal(bool is_indexed, bool use_gs);
bool AccelerateDrawBatchInternal(bool is_indexed, bool use_gs);
struct VertexArrayInfo {
u32 vs_input_index_min;