mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-11-15 22:09:19 -07:00
616 lines
22 KiB
C++
616 lines
22 KiB
C++
// Copyright 2009 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
#include "VideoBackends/OGL/FramebufferManager.h"
|
|
|
|
#include <memory>
|
|
#include <sstream>
|
|
#include <vector>
|
|
|
|
#include "Common/Common.h"
|
|
#include "Common/CommonTypes.h"
|
|
#include "Common/GL/GLInterfaceBase.h"
|
|
#include "Common/Logging/Log.h"
|
|
#include "Common/MsgHandler.h"
|
|
|
|
#include "Core/HW/Memmap.h"
|
|
|
|
#include "VideoBackends/OGL/Render.h"
|
|
#include "VideoBackends/OGL/SamplerCache.h"
|
|
#include "VideoBackends/OGL/TextureConverter.h"
|
|
|
|
#include "VideoCommon/OnScreenDisplay.h"
|
|
#include "VideoCommon/VertexShaderGen.h"
|
|
#include "VideoCommon/VideoBackendBase.h"
|
|
|
|
namespace OGL
|
|
{
|
|
int FramebufferManager::m_targetWidth;
|
|
int FramebufferManager::m_targetHeight;
|
|
int FramebufferManager::m_msaaSamples;
|
|
bool FramebufferManager::m_enable_stencil_buffer;
|
|
|
|
GLenum FramebufferManager::m_textureType;
|
|
std::vector<GLuint> FramebufferManager::m_efbFramebuffer;
|
|
GLuint FramebufferManager::m_efbColor;
|
|
GLuint FramebufferManager::m_efbDepth;
|
|
GLuint FramebufferManager::m_efbColorSwap; // for hot swap when reinterpreting EFB pixel formats
|
|
|
|
// Only used in MSAA mode.
|
|
std::vector<GLuint> FramebufferManager::m_resolvedFramebuffer;
|
|
GLuint FramebufferManager::m_resolvedColorTexture;
|
|
GLuint FramebufferManager::m_resolvedDepthTexture;
|
|
|
|
// reinterpret pixel format
|
|
SHADER FramebufferManager::m_pixel_format_shaders[2];
|
|
|
|
// EFB pokes
|
|
GLuint FramebufferManager::m_EfbPokes_VBO;
|
|
GLuint FramebufferManager::m_EfbPokes_VAO;
|
|
SHADER FramebufferManager::m_EfbPokes;
|
|
|
|
GLuint FramebufferManager::CreateTexture(GLenum texture_type, GLenum internal_format,
|
|
GLenum pixel_format, GLenum data_type)
|
|
{
|
|
GLuint texture;
|
|
glGenTextures(1, &texture);
|
|
glBindTexture(texture_type, texture);
|
|
if (texture_type == GL_TEXTURE_2D_ARRAY)
|
|
{
|
|
glTexParameteri(texture_type, GL_TEXTURE_MAX_LEVEL, 0);
|
|
glTexImage3D(texture_type, 0, internal_format, m_targetWidth, m_targetHeight, m_EFBLayers, 0,
|
|
pixel_format, data_type, nullptr);
|
|
}
|
|
else if (texture_type == GL_TEXTURE_2D_MULTISAMPLE_ARRAY)
|
|
{
|
|
if (g_ogl_config.bSupports3DTextureStorageMultisample)
|
|
glTexStorage3DMultisample(texture_type, m_msaaSamples, internal_format, m_targetWidth,
|
|
m_targetHeight, m_EFBLayers, false);
|
|
else
|
|
glTexImage3DMultisample(texture_type, m_msaaSamples, internal_format, m_targetWidth,
|
|
m_targetHeight, m_EFBLayers, false);
|
|
}
|
|
else if (texture_type == GL_TEXTURE_2D_MULTISAMPLE)
|
|
{
|
|
if (g_ogl_config.bSupports2DTextureStorageMultisample)
|
|
glTexStorage2DMultisample(texture_type, m_msaaSamples, internal_format, m_targetWidth,
|
|
m_targetHeight, false);
|
|
else
|
|
glTexImage2DMultisample(texture_type, m_msaaSamples, internal_format, m_targetWidth,
|
|
m_targetHeight, false);
|
|
}
|
|
else
|
|
{
|
|
PanicAlert("Unhandled texture type %d", texture_type);
|
|
}
|
|
glBindTexture(texture_type, 0);
|
|
return texture;
|
|
}
|
|
|
|
void FramebufferManager::BindLayeredTexture(GLuint texture, const std::vector<GLuint>& framebuffers,
|
|
GLenum attachment, GLenum texture_type)
|
|
{
|
|
glBindFramebuffer(GL_FRAMEBUFFER, framebuffers[0]);
|
|
FramebufferTexture(GL_FRAMEBUFFER, attachment, texture_type, texture, 0);
|
|
// Bind all the other layers as separate FBOs for blitting.
|
|
for (unsigned int i = 1; i < m_EFBLayers; i++)
|
|
{
|
|
glBindFramebuffer(GL_FRAMEBUFFER, framebuffers[i]);
|
|
glFramebufferTextureLayer(GL_FRAMEBUFFER, attachment, texture, 0, i);
|
|
}
|
|
}
|
|
|
|
bool FramebufferManager::HasStencilBuffer()
|
|
{
|
|
return m_enable_stencil_buffer;
|
|
}
|
|
|
|
FramebufferManager::FramebufferManager(int targetWidth, int targetHeight, int msaaSamples,
|
|
bool enable_stencil_buffer)
|
|
{
|
|
m_efbColor = 0;
|
|
m_efbDepth = 0;
|
|
m_efbColorSwap = 0;
|
|
m_resolvedColorTexture = 0;
|
|
m_resolvedDepthTexture = 0;
|
|
|
|
m_targetWidth = targetWidth;
|
|
m_targetHeight = targetHeight;
|
|
m_msaaSamples = msaaSamples;
|
|
m_enable_stencil_buffer = enable_stencil_buffer;
|
|
|
|
// The EFB can be set to different pixel formats by the game through the
|
|
// BPMEM_ZCOMPARE register (which should probably have a different name).
|
|
// They are:
|
|
// - 24-bit RGB (8-bit components) with 24-bit Z
|
|
// - 24-bit RGBA (6-bit components) with 24-bit Z
|
|
// - Multisampled 16-bit RGB (5-6-5 format) with 16-bit Z
|
|
// We only use one EFB format here: 32-bit ARGB with 24-bit Z.
|
|
// Multisampling depends on user settings.
|
|
// The distinction becomes important for certain operations, i.e. the
|
|
// alpha channel should be ignored if the EFB does not have one.
|
|
|
|
glActiveTexture(GL_TEXTURE9);
|
|
|
|
m_EFBLayers = (g_ActiveConfig.stereo_mode != StereoMode::Off) ? 2 : 1;
|
|
m_efbFramebuffer.resize(m_EFBLayers);
|
|
m_resolvedFramebuffer.resize(m_EFBLayers);
|
|
|
|
GLenum depth_internal_format = GL_DEPTH_COMPONENT32F;
|
|
GLenum depth_pixel_format = GL_DEPTH_COMPONENT;
|
|
GLenum depth_data_type = GL_FLOAT;
|
|
if (m_enable_stencil_buffer)
|
|
{
|
|
depth_internal_format = GL_DEPTH32F_STENCIL8;
|
|
depth_pixel_format = GL_DEPTH_STENCIL;
|
|
depth_data_type = GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
|
|
}
|
|
|
|
if (m_msaaSamples <= 1)
|
|
{
|
|
m_textureType = GL_TEXTURE_2D_ARRAY;
|
|
}
|
|
else
|
|
{
|
|
// Only use a layered multisample texture if needed. Some drivers
|
|
// slow down significantly with single-layered multisample textures.
|
|
if (m_EFBLayers > 1)
|
|
m_textureType = GL_TEXTURE_2D_MULTISAMPLE_ARRAY;
|
|
else
|
|
m_textureType = GL_TEXTURE_2D_MULTISAMPLE;
|
|
|
|
// Although we are able to access the multisampled texture directly, we don't do it everywhere.
|
|
// The old way is to "resolve" this multisampled texture by copying it into a non-sampled
|
|
// texture.
|
|
// This would lead to an unneeded copy of the EFB, so we are going to avoid it.
|
|
// But as this job isn't done right now, we do need that texture for resolving:
|
|
GLenum resolvedType = GL_TEXTURE_2D_ARRAY;
|
|
|
|
m_resolvedColorTexture = CreateTexture(resolvedType, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE);
|
|
m_resolvedDepthTexture =
|
|
CreateTexture(resolvedType, depth_internal_format, depth_pixel_format, depth_data_type);
|
|
|
|
// Bind resolved textures to resolved framebuffer.
|
|
glGenFramebuffers(m_EFBLayers, m_resolvedFramebuffer.data());
|
|
BindLayeredTexture(m_resolvedColorTexture, m_resolvedFramebuffer, GL_COLOR_ATTACHMENT0,
|
|
resolvedType);
|
|
BindLayeredTexture(m_resolvedDepthTexture, m_resolvedFramebuffer, GL_DEPTH_ATTACHMENT,
|
|
resolvedType);
|
|
if (m_enable_stencil_buffer)
|
|
BindLayeredTexture(m_resolvedDepthTexture, m_resolvedFramebuffer, GL_STENCIL_ATTACHMENT,
|
|
resolvedType);
|
|
}
|
|
|
|
m_efbColor = CreateTexture(m_textureType, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE);
|
|
m_efbDepth =
|
|
CreateTexture(m_textureType, depth_internal_format, depth_pixel_format, depth_data_type);
|
|
m_efbColorSwap = CreateTexture(m_textureType, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE);
|
|
|
|
// Bind target textures to EFB framebuffer.
|
|
glGenFramebuffers(m_EFBLayers, m_efbFramebuffer.data());
|
|
BindLayeredTexture(m_efbColor, m_efbFramebuffer, GL_COLOR_ATTACHMENT0, m_textureType);
|
|
BindLayeredTexture(m_efbDepth, m_efbFramebuffer, GL_DEPTH_ATTACHMENT, m_textureType);
|
|
if (m_enable_stencil_buffer)
|
|
BindLayeredTexture(m_efbDepth, m_efbFramebuffer, GL_STENCIL_ATTACHMENT, m_textureType);
|
|
|
|
// EFB framebuffer is currently bound, make sure to clear it before use.
|
|
glViewport(0, 0, m_targetWidth, m_targetHeight);
|
|
glScissor(0, 0, m_targetWidth, m_targetHeight);
|
|
glClearColor(0.f, 0.f, 0.f, 0.f);
|
|
glClearDepthf(1.0f);
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
if (m_enable_stencil_buffer)
|
|
{
|
|
glClearStencil(0);
|
|
glClear(GL_STENCIL_BUFFER_BIT);
|
|
}
|
|
|
|
// reinterpret pixel format
|
|
const char* vs = m_EFBLayers > 1 ? "void main(void) {\n"
|
|
" vec2 rawpos = vec2(gl_VertexID&1, gl_VertexID&2);\n"
|
|
" gl_Position = vec4(rawpos*2.0-1.0, 0.0, 1.0);\n"
|
|
"}\n" :
|
|
"flat out int layer;\n"
|
|
"void main(void) {\n"
|
|
" layer = 0;\n"
|
|
" vec2 rawpos = vec2(gl_VertexID&1, gl_VertexID&2);\n"
|
|
" gl_Position = vec4(rawpos*2.0-1.0, 0.0, 1.0);\n"
|
|
"}\n";
|
|
|
|
// The way to sample the EFB is based on the on the current configuration.
|
|
// As we use the same sampling way for both interpreting shaders, the sampling
|
|
// shader are generated first:
|
|
std::string sampler;
|
|
if (m_msaaSamples <= 1)
|
|
{
|
|
// non-msaa, so just fetch the pixel
|
|
sampler = "SAMPLER_BINDING(9) uniform sampler2DArray samp9;\n"
|
|
"vec4 sampleEFB(ivec3 pos) {\n"
|
|
" return texelFetch(samp9, pos, 0);\n"
|
|
"}\n";
|
|
}
|
|
else if (g_ActiveConfig.backend_info.bSupportsSSAA)
|
|
{
|
|
// msaa + sample shading available, so just fetch the sample
|
|
// This will lead to sample shading, but it's the only way to not loose
|
|
// the values of each sample.
|
|
if (m_EFBLayers > 1)
|
|
{
|
|
sampler = "SAMPLER_BINDING(9) uniform sampler2DMSArray samp9;\n"
|
|
"vec4 sampleEFB(ivec3 pos) {\n"
|
|
" return texelFetch(samp9, pos, gl_SampleID);\n"
|
|
"}\n";
|
|
}
|
|
else
|
|
{
|
|
sampler = "SAMPLER_BINDING(9) uniform sampler2DMS samp9;\n"
|
|
"vec4 sampleEFB(ivec3 pos) {\n"
|
|
" return texelFetch(samp9, pos.xy, gl_SampleID);\n"
|
|
"}\n";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// msaa without sample shading: calculate the mean value of the pixel
|
|
std::stringstream samples;
|
|
samples << m_msaaSamples;
|
|
if (m_EFBLayers > 1)
|
|
{
|
|
sampler = "SAMPLER_BINDING(9) uniform sampler2DMSArray samp9;\n"
|
|
"vec4 sampleEFB(ivec3 pos) {\n"
|
|
" vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n"
|
|
" for(int i=0; i<" +
|
|
samples.str() + "; i++)\n"
|
|
" color += texelFetch(samp9, pos, i);\n"
|
|
" return color / " +
|
|
samples.str() + ";\n"
|
|
"}\n";
|
|
}
|
|
else
|
|
{
|
|
sampler = "SAMPLER_BINDING(9) uniform sampler2DMS samp9;\n"
|
|
"vec4 sampleEFB(ivec3 pos) {\n"
|
|
" vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n"
|
|
" for(int i=0; i<" +
|
|
samples.str() + "; i++)\n"
|
|
" color += texelFetch(samp9, pos.xy, i);\n"
|
|
" return color / " +
|
|
samples.str() + ";\n"
|
|
"}\n";
|
|
}
|
|
}
|
|
|
|
std::string ps_rgba6_to_rgb8 =
|
|
sampler + "flat in int layer;\n"
|
|
"out vec4 ocol0;\n"
|
|
"void main()\n"
|
|
"{\n"
|
|
" ivec4 src6 = ivec4(round(sampleEFB(ivec3(gl_FragCoord.xy, layer)) * 63.f));\n"
|
|
" ivec4 dst8;\n"
|
|
" dst8.r = (src6.r << 2) | (src6.g >> 4);\n"
|
|
" dst8.g = ((src6.g & 0xF) << 4) | (src6.b >> 2);\n"
|
|
" dst8.b = ((src6.b & 0x3) << 6) | src6.a;\n"
|
|
" dst8.a = 255;\n"
|
|
" ocol0 = float4(dst8) / 255.f;\n"
|
|
"}";
|
|
|
|
std::string ps_rgb8_to_rgba6 =
|
|
sampler + "flat in int layer;\n"
|
|
"out vec4 ocol0;\n"
|
|
"void main()\n"
|
|
"{\n"
|
|
" ivec4 src8 = ivec4(round(sampleEFB(ivec3(gl_FragCoord.xy, layer)) * 255.f));\n"
|
|
" ivec4 dst6;\n"
|
|
" dst6.r = src8.r >> 2;\n"
|
|
" dst6.g = ((src8.r & 0x3) << 4) | (src8.g >> 4);\n"
|
|
" dst6.b = ((src8.g & 0xF) << 2) | (src8.b >> 6);\n"
|
|
" dst6.a = src8.b & 0x3F;\n"
|
|
" ocol0 = float4(dst6) / 63.f;\n"
|
|
"}";
|
|
|
|
std::stringstream vertices, layers;
|
|
vertices << m_EFBLayers * 3;
|
|
layers << m_EFBLayers;
|
|
std::string gs = "layout(triangles) in;\n"
|
|
"layout(triangle_strip, max_vertices = " +
|
|
vertices.str() + ") out;\n"
|
|
"flat out int layer;\n"
|
|
"void main()\n"
|
|
"{\n"
|
|
" for (int j = 0; j < " +
|
|
layers.str() + "; ++j) {\n"
|
|
" for (int i = 0; i < 3; ++i) {\n"
|
|
" layer = j;\n"
|
|
" gl_Layer = j;\n"
|
|
" gl_Position = gl_in[i].gl_Position;\n"
|
|
" EmitVertex();\n"
|
|
" }\n"
|
|
" EndPrimitive();\n"
|
|
" }\n"
|
|
"}\n";
|
|
|
|
ProgramShaderCache::CompileShader(m_pixel_format_shaders[0], vs, ps_rgb8_to_rgba6,
|
|
(m_EFBLayers > 1) ? gs : "");
|
|
ProgramShaderCache::CompileShader(m_pixel_format_shaders[1], vs, ps_rgba6_to_rgb8,
|
|
(m_EFBLayers > 1) ? gs : "");
|
|
|
|
ProgramShaderCache::CompileShader(
|
|
m_EfbPokes,
|
|
StringFromFormat("in vec2 rawpos;\n"
|
|
"in vec4 rawcolor0;\n" // color
|
|
"in int rawcolor1;\n" // depth
|
|
"out vec4 v_c;\n"
|
|
"out float v_z;\n"
|
|
"void main(void) {\n"
|
|
" gl_Position = vec4(((rawpos + 0.5) / vec2(640.0, 528.0) * 2.0 - 1.0) * "
|
|
"vec2(1.0, -1.0), 0.0, 1.0);\n"
|
|
" gl_PointSize = %d.0 / 640.0;\n"
|
|
" v_c = rawcolor0.bgra;\n"
|
|
" v_z = float(rawcolor1 & 0xFFFFFF) / 16777216.0;\n"
|
|
"}\n",
|
|
m_targetWidth),
|
|
|
|
StringFromFormat("in vec4 %s_c;\n"
|
|
"in float %s_z;\n"
|
|
"out vec4 ocol0;\n"
|
|
"void main(void) {\n"
|
|
" ocol0 = %s_c;\n"
|
|
" gl_FragDepth = %s_z;\n"
|
|
"}\n",
|
|
m_EFBLayers > 1 ? "g" : "v", m_EFBLayers > 1 ? "g" : "v",
|
|
m_EFBLayers > 1 ? "g" : "v", m_EFBLayers > 1 ? "g" : "v"),
|
|
|
|
m_EFBLayers > 1 ? StringFromFormat("layout(points) in;\n"
|
|
"layout(points, max_vertices = %d) out;\n"
|
|
"in vec4 v_c[1];\n"
|
|
"in float v_z[1];\n"
|
|
"out vec4 g_c;\n"
|
|
"out float g_z;\n"
|
|
"void main()\n"
|
|
"{\n"
|
|
" for (int j = 0; j < %d; ++j) {\n"
|
|
" gl_Layer = j;\n"
|
|
" gl_Position = gl_in[0].gl_Position;\n"
|
|
" gl_PointSize = %d.0 / 640.0;\n"
|
|
" g_c = v_c[0];\n"
|
|
" g_z = v_z[0];\n"
|
|
" EmitVertex();\n"
|
|
" EndPrimitive();\n"
|
|
" }\n"
|
|
"}\n",
|
|
m_EFBLayers, m_EFBLayers, m_targetWidth) :
|
|
"");
|
|
glGenBuffers(1, &m_EfbPokes_VBO);
|
|
glGenVertexArrays(1, &m_EfbPokes_VAO);
|
|
glBindBuffer(GL_ARRAY_BUFFER, m_EfbPokes_VBO);
|
|
glBindVertexArray(m_EfbPokes_VAO);
|
|
glEnableVertexAttribArray(SHADER_POSITION_ATTRIB);
|
|
glVertexAttribPointer(SHADER_POSITION_ATTRIB, 2, GL_UNSIGNED_SHORT, 0, sizeof(EfbPokeData),
|
|
(void*)offsetof(EfbPokeData, x));
|
|
glEnableVertexAttribArray(SHADER_COLOR0_ATTRIB);
|
|
glVertexAttribPointer(SHADER_COLOR0_ATTRIB, 4, GL_UNSIGNED_BYTE, 1, sizeof(EfbPokeData),
|
|
(void*)offsetof(EfbPokeData, data));
|
|
glEnableVertexAttribArray(SHADER_COLOR1_ATTRIB);
|
|
glVertexAttribIPointer(SHADER_COLOR1_ATTRIB, 1, GL_INT, sizeof(EfbPokeData),
|
|
(void*)offsetof(EfbPokeData, data));
|
|
|
|
if (GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGL)
|
|
glEnable(GL_PROGRAM_POINT_SIZE);
|
|
}
|
|
|
|
FramebufferManager::~FramebufferManager()
|
|
{
|
|
glBindFramebuffer(GL_FRAMEBUFFER, 0);
|
|
|
|
GLuint glObj[3];
|
|
|
|
// Note: OpenGL deletion functions silently ignore parameters of "0".
|
|
|
|
glDeleteFramebuffers(m_EFBLayers, m_efbFramebuffer.data());
|
|
glDeleteFramebuffers(m_EFBLayers, m_resolvedFramebuffer.data());
|
|
|
|
// Required, as these are static class members
|
|
m_efbFramebuffer.clear();
|
|
m_resolvedFramebuffer.clear();
|
|
|
|
glObj[0] = m_resolvedColorTexture;
|
|
glObj[1] = m_resolvedDepthTexture;
|
|
glDeleteTextures(2, glObj);
|
|
m_resolvedColorTexture = 0;
|
|
m_resolvedDepthTexture = 0;
|
|
|
|
glObj[0] = m_efbColor;
|
|
glObj[1] = m_efbDepth;
|
|
glObj[2] = m_efbColorSwap;
|
|
glDeleteTextures(3, glObj);
|
|
m_efbColor = 0;
|
|
m_efbDepth = 0;
|
|
m_efbColorSwap = 0;
|
|
|
|
// reinterpret pixel format
|
|
m_pixel_format_shaders[0].Destroy();
|
|
m_pixel_format_shaders[1].Destroy();
|
|
|
|
// EFB pokes
|
|
glDeleteBuffers(1, &m_EfbPokes_VBO);
|
|
glDeleteVertexArrays(1, &m_EfbPokes_VAO);
|
|
m_EfbPokes_VBO = 0;
|
|
m_EfbPokes_VAO = 0;
|
|
m_EfbPokes.Destroy();
|
|
}
|
|
|
|
GLuint FramebufferManager::GetEFBColorTexture(const EFBRectangle& sourceRc)
|
|
{
|
|
if (m_msaaSamples <= 1)
|
|
{
|
|
return m_efbColor;
|
|
}
|
|
else
|
|
{
|
|
// Transfer the EFB to a resolved texture. EXT_framebuffer_blit is
|
|
// required.
|
|
|
|
TargetRectangle targetRc = g_renderer->ConvertEFBRectangle(sourceRc);
|
|
targetRc.ClampUL(0, 0, m_targetWidth, m_targetHeight);
|
|
|
|
// Resolve.
|
|
for (unsigned int i = 0; i < m_EFBLayers; i++)
|
|
{
|
|
glBindFramebuffer(GL_READ_FRAMEBUFFER, m_efbFramebuffer[i]);
|
|
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_resolvedFramebuffer[i]);
|
|
glBlitFramebuffer(targetRc.left, targetRc.top, targetRc.right, targetRc.bottom, targetRc.left,
|
|
targetRc.top, targetRc.right, targetRc.bottom, GL_COLOR_BUFFER_BIT,
|
|
GL_NEAREST);
|
|
}
|
|
|
|
// Return to EFB.
|
|
glBindFramebuffer(GL_FRAMEBUFFER, m_efbFramebuffer[0]);
|
|
|
|
return m_resolvedColorTexture;
|
|
}
|
|
}
|
|
|
|
GLuint FramebufferManager::GetEFBDepthTexture(const EFBRectangle& sourceRc)
|
|
{
|
|
if (m_msaaSamples <= 1)
|
|
{
|
|
return m_efbDepth;
|
|
}
|
|
else
|
|
{
|
|
// Transfer the EFB to a resolved texture.
|
|
|
|
TargetRectangle targetRc = g_renderer->ConvertEFBRectangle(sourceRc);
|
|
targetRc.ClampUL(0, 0, m_targetWidth, m_targetHeight);
|
|
|
|
// Resolve.
|
|
for (unsigned int i = 0; i < m_EFBLayers; i++)
|
|
{
|
|
glBindFramebuffer(GL_READ_FRAMEBUFFER, m_efbFramebuffer[i]);
|
|
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_resolvedFramebuffer[i]);
|
|
glBlitFramebuffer(targetRc.left, targetRc.top, targetRc.right, targetRc.bottom, targetRc.left,
|
|
targetRc.top, targetRc.right, targetRc.bottom, GL_DEPTH_BUFFER_BIT,
|
|
GL_NEAREST);
|
|
}
|
|
|
|
// Return to EFB.
|
|
glBindFramebuffer(GL_FRAMEBUFFER, m_efbFramebuffer[0]);
|
|
|
|
return m_resolvedDepthTexture;
|
|
}
|
|
}
|
|
|
|
void FramebufferManager::ResolveEFBStencilTexture()
|
|
{
|
|
if (m_msaaSamples <= 1)
|
|
return;
|
|
|
|
// Resolve.
|
|
for (unsigned int i = 0; i < m_EFBLayers; i++)
|
|
{
|
|
glBindFramebuffer(GL_READ_FRAMEBUFFER, m_efbFramebuffer[i]);
|
|
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_resolvedFramebuffer[i]);
|
|
glBlitFramebuffer(0, 0, m_targetWidth, m_targetHeight, 0, 0, m_targetWidth, m_targetHeight,
|
|
GL_STENCIL_BUFFER_BIT, GL_NEAREST);
|
|
}
|
|
|
|
// Return to EFB.
|
|
glBindFramebuffer(GL_FRAMEBUFFER, m_efbFramebuffer[0]);
|
|
}
|
|
|
|
GLuint FramebufferManager::GetResolvedFramebuffer()
|
|
{
|
|
if (m_msaaSamples <= 1)
|
|
return m_efbFramebuffer[0];
|
|
return m_resolvedFramebuffer[0];
|
|
}
|
|
|
|
void FramebufferManager::SetFramebuffer(GLuint fb)
|
|
{
|
|
glBindFramebuffer(GL_FRAMEBUFFER, fb != 0 ? fb : GetEFBFramebuffer());
|
|
}
|
|
|
|
void FramebufferManager::FramebufferTexture(GLenum target, GLenum attachment, GLenum textarget,
|
|
GLuint texture, GLint level)
|
|
{
|
|
if (textarget == GL_TEXTURE_2D_ARRAY || textarget == GL_TEXTURE_2D_MULTISAMPLE_ARRAY)
|
|
{
|
|
if (m_EFBLayers > 1)
|
|
glFramebufferTexture(target, attachment, texture, level);
|
|
else
|
|
glFramebufferTextureLayer(target, attachment, texture, level, 0);
|
|
}
|
|
else
|
|
{
|
|
glFramebufferTexture2D(target, attachment, textarget, texture, level);
|
|
}
|
|
}
|
|
|
|
// Apply AA if enabled
|
|
GLuint FramebufferManager::ResolveAndGetRenderTarget(const EFBRectangle& source_rect)
|
|
{
|
|
return GetEFBColorTexture(source_rect);
|
|
}
|
|
|
|
GLuint FramebufferManager::ResolveAndGetDepthTarget(const EFBRectangle& source_rect)
|
|
{
|
|
return GetEFBDepthTexture(source_rect);
|
|
}
|
|
|
|
void FramebufferManager::ReinterpretPixelData(unsigned int convtype)
|
|
{
|
|
g_renderer->ResetAPIState();
|
|
|
|
OpenGL_BindAttributelessVAO();
|
|
|
|
GLuint src_texture = 0;
|
|
|
|
// We aren't allowed to render and sample the same texture in one draw call,
|
|
// so we have to create a new texture and overwrite it completely.
|
|
// To not allocate one big texture every time, we've allocated two on
|
|
// initialization and just swap them here:
|
|
src_texture = m_efbColor;
|
|
m_efbColor = m_efbColorSwap;
|
|
m_efbColorSwap = src_texture;
|
|
FramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, m_textureType, m_efbColor, 0);
|
|
|
|
glViewport(0, 0, m_targetWidth, m_targetHeight);
|
|
glActiveTexture(GL_TEXTURE9);
|
|
glBindTexture(m_textureType, src_texture);
|
|
g_sampler_cache->BindNearestSampler(9);
|
|
|
|
m_pixel_format_shaders[convtype ? 1 : 0].Bind();
|
|
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
|
glBindTexture(m_textureType, 0);
|
|
|
|
g_renderer->RestoreAPIState();
|
|
}
|
|
|
|
void FramebufferManager::PokeEFB(EFBAccessType type, const EfbPokeData* points, size_t num_points)
|
|
{
|
|
g_renderer->ResetAPIState();
|
|
|
|
if (type == EFBAccessType::PokeZ)
|
|
{
|
|
glDepthMask(GL_TRUE);
|
|
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthFunc(GL_ALWAYS);
|
|
}
|
|
|
|
glBindVertexArray(m_EfbPokes_VAO);
|
|
glBindBuffer(GL_ARRAY_BUFFER, m_EfbPokes_VBO);
|
|
glBufferData(GL_ARRAY_BUFFER, sizeof(EfbPokeData) * num_points, points, GL_STREAM_DRAW);
|
|
m_EfbPokes.Bind();
|
|
glViewport(0, 0, m_targetWidth, m_targetHeight);
|
|
glDrawArrays(GL_POINTS, 0, (GLsizei)num_points);
|
|
|
|
g_renderer->RestoreAPIState();
|
|
|
|
// TODO: Could just update the EFB cache with the new value
|
|
ClearEFBCache();
|
|
}
|
|
|
|
} // namespace OGL
|