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video_core: Implement maxwell3d draw texture method

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This commit is contained in:
Feng Chen 2023-01-05 12:27:41 +08:00
parent b78328f19a
commit 1e8cee2ddf
7 changed files with 177 additions and 1 deletions
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31
src/video_core/engines/draw_manager.cpp
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@ -51,6 +51,10 @@ void DrawManager::ProcessMethodCall(u32 method, u32 argument) {
LOG_WARNING(HW_GPU, "(STUBBED) called");
break;
}
case MAXWELL3D_REG_INDEX(draw_texture.src_y0): {
DrawTexture();
break;
}
default:
break;
}
@ -179,6 +183,33 @@ void DrawManager::DrawIndexSmall(u32 argument) {
ProcessDraw(true, 1);
}
void DrawManager::DrawTexture() {
const auto& regs{maxwell3d->regs};
draw_texture_state.dst_x0 = static_cast<float>(regs.draw_texture.dst_x0) / 4096.f;
draw_texture_state.dst_y0 = static_cast<float>(regs.draw_texture.dst_y0) / 4096.f;
const auto dst_width = static_cast<float>(regs.draw_texture.dst_width) / 4096.f;
const auto dst_height = static_cast<float>(regs.draw_texture.dst_height) / 4096.f;
const bool lower_left{regs.window_origin.mode !=
Maxwell3D::Regs::WindowOrigin::Mode::UpperLeft};
if (lower_left) {
draw_texture_state.dst_y0 -= dst_height;
}
draw_texture_state.dst_x1 = draw_texture_state.dst_x0 + dst_width;
draw_texture_state.dst_y1 = draw_texture_state.dst_y0 + dst_height;
draw_texture_state.src_x0 = static_cast<float>(regs.draw_texture.src_x0) / 4096.f;
draw_texture_state.src_y0 = static_cast<float>(regs.draw_texture.src_y0) / 4096.f;
draw_texture_state.src_x1 =
(static_cast<float>(regs.draw_texture.dx_du) / 4294967295.f) * dst_width +
draw_texture_state.src_x0;
draw_texture_state.src_y1 =
(static_cast<float>(regs.draw_texture.dy_dv) / 4294967295.f) * dst_height +
draw_texture_state.src_y0;
draw_texture_state.src_sampler = regs.draw_texture.src_sampler;
draw_texture_state.src_texture = regs.draw_texture.src_texture;
maxwell3d->rasterizer->DrawTexture();
}
void DrawManager::UpdateTopology() {
const auto& regs{maxwell3d->regs};
switch (regs.primitive_topology_control) {

20
src/video_core/engines/draw_manager.h
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@ -32,6 +32,19 @@ public:
std::vector<u8> inline_index_draw_indexes;
};
struct DrawTextureState {
f32 dst_x0;
f32 dst_y0;
f32 dst_x1;
f32 dst_y1;
f32 src_x0;
f32 src_y0;
f32 src_x1;
f32 src_y1;
u32 src_sampler;
u32 src_texture;
};
struct IndirectParams {
bool is_indexed;
bool include_count;
@ -64,6 +77,10 @@ public:
return draw_state;
}
const DrawTextureState& GetDrawTextureState() const {
return draw_texture_state;
}
IndirectParams& GetIndirectParams() {
return indirect_state;
}
@ -81,6 +98,8 @@ private:
void DrawIndexSmall(u32 argument);
void DrawTexture();
void UpdateTopology();
void ProcessDraw(bool draw_indexed, u32 instance_count);
@ -89,6 +108,7 @@ private:
Maxwell3D* maxwell3d{};
State draw_state{};
DrawTextureState draw_texture_state{};
IndirectParams indirect_state{};
};
} // namespace Tegra::Engines

1
src/video_core/engines/maxwell_3d.cpp
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@ -149,6 +149,7 @@ bool Maxwell3D::IsMethodExecutable(u32 method) {
case MAXWELL3D_REG_INDEX(inline_index_4x8.index0):
case MAXWELL3D_REG_INDEX(vertex_array_instance_first):
case MAXWELL3D_REG_INDEX(vertex_array_instance_subsequent):
case MAXWELL3D_REG_INDEX(draw_texture.src_y0):
case MAXWELL3D_REG_INDEX(wait_for_idle):
case MAXWELL3D_REG_INDEX(shadow_ram_control):
case MAXWELL3D_REG_INDEX(load_mme.instruction_ptr):

16
src/video_core/engines/maxwell_3d.h
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@ -1599,6 +1599,20 @@ public:
};
static_assert(sizeof(TIRModulationCoeff) == 0x4);
struct DrawTexture {
s32 dst_x0;
s32 dst_y0;
s32 dst_width;
s32 dst_height;
s64 dx_du;
s64 dy_dv;
u32 src_sampler;
u32 src_texture;
s32 src_x0;
s32 src_y0;
};
static_assert(sizeof(DrawTexture) == 0x30);
struct ReduceColorThreshold {
union {
BitField<0, 8, u32> all_hit_once;
@ -2751,7 +2765,7 @@ public:
u32 reserved_sw_method2; ///< 0x102C
std::array<TIRModulationCoeff, 5> tir_modulation_coeff; ///< 0x1030
std::array<u32, 15> spare_nop; ///< 0x1044
INSERT_PADDING_BYTES_NOINIT(0x30);
DrawTexture draw_texture; ///< 0x1080
std::array<u32, 7> reserved_sw_method3_to_7; ///< 0x10B0
ReduceColorThreshold reduce_color_thresholds_unorm8; ///< 0x10CC
std::array<u32, 4> reserved_sw_method10_to_13; ///< 0x10D0

13
src/video_core/host_shaders/blit_color_float.frag Normal file
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@ -0,0 +1,13 @@
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#version 450
layout(binding = 0) uniform sampler2D tex;
layout(location = 0) in vec2 texcoord;
layout(location = 0) out vec4 color;
void main() {
color = textureLod(tex, texcoord, 0);
}

59
src/video_core/renderer_opengl/blit_image.cpp Normal file
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@ -0,0 +1,59 @@
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <algorithm>
#include "video_core/host_shaders/blit_color_float_frag.h"
#include "video_core/host_shaders/full_screen_triangle_vert.h"
#include "video_core/renderer_opengl/blit_image.h"
#include "video_core/renderer_opengl/gl_shader_manager.h"
#include "video_core/renderer_opengl/gl_shader_util.h"
namespace OpenGL {
BlitImageHelper::BlitImageHelper(ProgramManager& program_manager_)
: program_manager(program_manager_),
full_screen_vert(CreateProgram(HostShaders::FULL_SCREEN_TRIANGLE_VERT, GL_VERTEX_SHADER)),
blit_color_to_color_frag(
CreateProgram(HostShaders::BLIT_COLOR_FLOAT_FRAG, GL_FRAGMENT_SHADER)) {}
BlitImageHelper::~BlitImageHelper() = default;
void BlitImageHelper::BlitColor(GLuint dst_framebuffer, GLuint src_image_view, GLuint src_sampler,
const Region2D& dst_region, const Region2D& src_region,
const Extent3D& src_size) {
glEnable(GL_CULL_FACE);
glDisable(GL_COLOR_LOGIC_OP);
glDisable(GL_DEPTH_TEST);
glDisable(GL_STENCIL_TEST);
glDisable(GL_POLYGON_OFFSET_FILL);
glDisable(GL_RASTERIZER_DISCARD);
glDisable(GL_ALPHA_TEST);
glDisablei(GL_BLEND, 0);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glCullFace(GL_BACK);
glFrontFace(GL_CW);
glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glDepthRangeIndexed(0, 0.0, 0.0);
program_manager.BindPresentPrograms(full_screen_vert.handle, blit_color_to_color_frag.handle);
glProgramUniform2f(full_screen_vert.handle, 0,
static_cast<float>(src_region.end.x - src_region.start.x) /
static_cast<float>(src_size.width),
static_cast<float>(src_region.end.y - src_region.start.y) /
static_cast<float>(src_size.height));
glProgramUniform2f(full_screen_vert.handle, 1,
static_cast<float>(src_region.start.x) / static_cast<float>(src_size.width),
static_cast<float>(src_region.start.y) /
static_cast<float>(src_size.height));
glViewport(std::min(dst_region.start.x, dst_region.end.x),
std::min(dst_region.start.y, dst_region.end.y),
std::abs(dst_region.end.x - dst_region.start.x),
std::abs(dst_region.end.y - dst_region.start.y));
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, dst_framebuffer);
glBindSampler(0, src_sampler);
glBindTextureUnit(0, src_image_view);
glClear(GL_COLOR_BUFFER_BIT);
glDrawArrays(GL_TRIANGLES, 0, 3);
}
} // namespace OpenGL

38
src/video_core/renderer_opengl/blit_image.h Normal file
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@ -0,0 +1,38 @@
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <glad/glad.h>
#include "video_core/engines/fermi_2d.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/texture_cache/types.h"
namespace OpenGL {
using VideoCommon::Extent3D;
using VideoCommon::Offset2D;
using VideoCommon::Region2D;
class ProgramManager;
class Framebuffer;
class ImageView;
class BlitImageHelper {
public:
explicit BlitImageHelper(ProgramManager& program_manager);
~BlitImageHelper();
void BlitColor(GLuint dst_framebuffer, GLuint src_image_view, GLuint src_sampler,
const Region2D& dst_region, const Region2D& src_region,
const Extent3D& src_size);
private:
ProgramManager& program_manager;
OGLProgram full_screen_vert;
OGLProgram blit_color_to_color_frag;
};
} // namespace OpenGL