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GPU: Fix reading of write-combined GPU buffers

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+100fps in recompiler modes
This commit is contained in:
Connor McLaughlin 2020-01-15 17:35:36 +10:00
parent 0861a1e579
commit 504510c242
2 changed files with 19 additions and 15 deletions
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24
src/core/gpu_hw.cpp
View file

@ -80,7 +80,6 @@ void GPU_HW::LoadVertices(RenderCommand rc, u32 num_vertices, const u32* command
const bool shaded = rc.shading_enable;
const bool textured = rc.texture_enable;
BatchVertex* old_vertex_ptr = m_batch_current_vertex_ptr;
s32 min_x = std::numeric_limits<s32>::max();
s32 max_x = std::numeric_limits<s32>::min();
s32 min_y = std::numeric_limits<s32>::max();
@ -100,7 +99,7 @@ void GPU_HW::LoadVertices(RenderCommand rc, u32 num_vertices, const u32* command
min_y = std::min(min_y, y);
max_y = std::max(max_y, y);
(m_batch_current_vertex_ptr++)->Set(x, y, color, texpage, packed_texcoord);
AddVertex(x, y, color, texpage, packed_texcoord);
if (restart_strip)
{
@ -113,7 +112,9 @@ void GPU_HW::LoadVertices(RenderCommand rc, u32 num_vertices, const u32* command
if (static_cast<u32>(max_x - min_x) > MAX_PRIMITIVE_WIDTH ||
static_cast<u32>(max_y - min_y) > MAX_PRIMITIVE_HEIGHT)
{
m_batch_current_vertex_ptr = old_vertex_ptr;
m_batch_current_vertex_ptr -= 2;
AddDuplicateVertex();
AddDuplicateVertex();
}
}
break;
@ -165,13 +166,13 @@ void GPU_HW::LoadVertices(RenderCommand rc, u32 num_vertices, const u32* command
const u16 tex_right = tex_left + static_cast<u16>(rectangle_width);
const u16 tex_bottom = tex_top + static_cast<u16>(rectangle_height);
(m_batch_current_vertex_ptr++)->Set(pos_left, pos_top, color, texpage, tex_left, tex_top);
AddVertex(pos_left, pos_top, color, texpage, tex_left, tex_top);
if (restart_strip)
AddDuplicateVertex();
(m_batch_current_vertex_ptr++)->Set(pos_right, pos_top, color, texpage, tex_right, tex_top);
(m_batch_current_vertex_ptr++)->Set(pos_left, pos_bottom, color, texpage, tex_left, tex_bottom);
(m_batch_current_vertex_ptr++)->Set(pos_right, pos_bottom, color, texpage, tex_right, tex_bottom);
AddVertex(pos_right, pos_top, color, texpage, tex_right, tex_top);
AddVertex(pos_left, pos_bottom, color, texpage, tex_left, tex_bottom);
AddVertex(pos_right, pos_bottom, color, texpage, tex_right, tex_bottom);
}
break;
@ -180,7 +181,6 @@ void GPU_HW::LoadVertices(RenderCommand rc, u32 num_vertices, const u32* command
const u32 first_color = rc.color_for_first_vertex;
const bool shaded = rc.shading_enable;
BatchVertex* old_vertex_ptr = m_batch_current_vertex_ptr;
s32 min_x = std::numeric_limits<s32>::max();
s32 max_x = std::numeric_limits<s32>::min();
s32 min_y = std::numeric_limits<s32>::max();
@ -201,12 +201,6 @@ void GPU_HW::LoadVertices(RenderCommand rc, u32 num_vertices, const u32* command
(m_batch_current_vertex_ptr++)->Set(x, y, color, 0, 0);
}
if (static_cast<u32>(max_x - min_x) > MAX_PRIMITIVE_WIDTH ||
static_cast<u32>(max_y - min_y) > MAX_PRIMITIVE_HEIGHT)
{
m_batch_current_vertex_ptr = old_vertex_ptr;
}
}
break;
@ -218,7 +212,7 @@ void GPU_HW::LoadVertices(RenderCommand rc, u32 num_vertices, const u32* command
void GPU_HW::AddDuplicateVertex()
{
std::memcpy(m_batch_current_vertex_ptr, m_batch_current_vertex_ptr - 1, sizeof(BatchVertex));
std::memcpy(m_batch_current_vertex_ptr, &m_batch_last_vertex, sizeof(BatchVertex));
m_batch_current_vertex_ptr++;
}

10
src/core/gpu_hw.h
View file

@ -4,6 +4,7 @@
#include <sstream>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
class GPU_HW : public GPU
@ -152,6 +153,7 @@ protected:
BatchVertex* m_batch_start_vertex_ptr = nullptr;
BatchVertex* m_batch_end_vertex_ptr = nullptr;
BatchVertex* m_batch_current_vertex_ptr = nullptr;
BatchVertex m_batch_last_vertex = {};
u32 m_batch_base_vertex = 0;
u32 m_resolution_scale = 1;
@ -184,4 +186,12 @@ private:
void LoadVertices(RenderCommand rc, u32 num_vertices, const u32* command_ptr);
void AddDuplicateVertex();
template<typename... Args>
ALWAYS_INLINE void AddVertex(Args&&... args)
{
m_batch_last_vertex.Set(std::forward<Args>(args)...);
std::memcpy(m_batch_current_vertex_ptr, &m_batch_last_vertex, sizeof(BatchVertex));
m_batch_current_vertex_ptr++;
}
};