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GLGSRender.cpp
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GLGSRender.cpp
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#include "stdafx.h"
#include "Emu/Memory/vm.h"
#include "Emu/System.h"
#include "GLGSRender.h"
#include "GLVertexProgram.h"
#include "../rsx_methods.h"
#include "../Common/BufferUtils.h"
#include "../rsx_utils.h"
#define DUMP_VERTEX_DATA 0
namespace
{
u32 get_max_depth_value(rsx::surface_depth_format format)
{
switch (format)
{
case rsx::surface_depth_format::z16: return 0xFFFF;
case rsx::surface_depth_format::z24s8: return 0xFFFFFF;
}
fmt::throw_exception("Unknown depth format" HERE);
}
}
u64 GLGSRender::get_cycles()
{
return thread_ctrl::get_cycles(static_cast<named_thread<GLGSRender>&>(*this));
}
GLGSRender::GLGSRender() : GSRender()
{
m_shaders_cache = std::make_unique<gl::shader_cache>(m_prog_buffer, "opengl", "v1.6");
if (g_cfg.video.disable_vertex_cache || g_cfg.video.multithreaded_rsx)
m_vertex_cache = std::make_unique<gl::null_vertex_cache>();
else
m_vertex_cache = std::make_unique<gl::weak_vertex_cache>();
supports_hw_a2c = false;
supports_multidraw = true;
supports_native_ui = (bool)g_cfg.misc.use_native_interface;
}
extern CellGcmContextData current_context;
namespace
{
GLenum comparison_op(rsx::comparison_function op)
{
switch (op)
{
case rsx::comparison_function::never: return GL_NEVER;
case rsx::comparison_function::less: return GL_LESS;
case rsx::comparison_function::equal: return GL_EQUAL;
case rsx::comparison_function::less_or_equal: return GL_LEQUAL;
case rsx::comparison_function::greater: return GL_GREATER;
case rsx::comparison_function::not_equal: return GL_NOTEQUAL;
case rsx::comparison_function::greater_or_equal: return GL_GEQUAL;
case rsx::comparison_function::always: return GL_ALWAYS;
}
fmt::throw_exception("Unsupported comparison op 0x%X" HERE, (u32)op);
}
GLenum stencil_op(rsx::stencil_op op)
{
switch (op)
{
case rsx::stencil_op::invert: return GL_INVERT;
case rsx::stencil_op::keep: return GL_KEEP;
case rsx::stencil_op::zero: return GL_ZERO;
case rsx::stencil_op::replace: return GL_REPLACE;
case rsx::stencil_op::incr: return GL_INCR;
case rsx::stencil_op::decr: return GL_DECR;
case rsx::stencil_op::incr_wrap: return GL_INCR_WRAP;
case rsx::stencil_op::decr_wrap: return GL_DECR_WRAP;
}
fmt::throw_exception("Unsupported stencil op 0x%X" HERE, (u32)op);
}
GLenum blend_equation(rsx::blend_equation op)
{
switch (op)
{
// Note : maybe add is signed on gl
case rsx::blend_equation::add_signed:
LOG_TRACE(RSX, "blend equation add_signed used. Emulating using FUNC_ADD");
case rsx::blend_equation::add: return GL_FUNC_ADD;
case rsx::blend_equation::min: return GL_MIN;
case rsx::blend_equation::max: return GL_MAX;
case rsx::blend_equation::substract: return GL_FUNC_SUBTRACT;
case rsx::blend_equation::reverse_substract_signed:
LOG_TRACE(RSX, "blend equation reverse_subtract_signed used. Emulating using FUNC_REVERSE_SUBTRACT");
case rsx::blend_equation::reverse_substract: return GL_FUNC_REVERSE_SUBTRACT;
case rsx::blend_equation::reverse_add_signed:
default:
LOG_ERROR(RSX, "Blend equation 0x%X is unimplemented!", (u32)op);
return GL_FUNC_ADD;
}
}
GLenum blend_factor(rsx::blend_factor op)
{
switch (op)
{
case rsx::blend_factor::zero: return GL_ZERO;
case rsx::blend_factor::one: return GL_ONE;
case rsx::blend_factor::src_color: return GL_SRC_COLOR;
case rsx::blend_factor::one_minus_src_color: return GL_ONE_MINUS_SRC_COLOR;
case rsx::blend_factor::dst_color: return GL_DST_COLOR;
case rsx::blend_factor::one_minus_dst_color: return GL_ONE_MINUS_DST_COLOR;
case rsx::blend_factor::src_alpha: return GL_SRC_ALPHA;
case rsx::blend_factor::one_minus_src_alpha: return GL_ONE_MINUS_SRC_ALPHA;
case rsx::blend_factor::dst_alpha: return GL_DST_ALPHA;
case rsx::blend_factor::one_minus_dst_alpha: return GL_ONE_MINUS_DST_ALPHA;
case rsx::blend_factor::src_alpha_saturate: return GL_SRC_ALPHA_SATURATE;
case rsx::blend_factor::constant_color: return GL_CONSTANT_COLOR;
case rsx::blend_factor::one_minus_constant_color: return GL_ONE_MINUS_CONSTANT_COLOR;
case rsx::blend_factor::constant_alpha: return GL_CONSTANT_ALPHA;
case rsx::blend_factor::one_minus_constant_alpha: return GL_ONE_MINUS_CONSTANT_ALPHA;
}
fmt::throw_exception("Unsupported blend factor 0x%X" HERE, (u32)op);
}
GLenum logic_op(rsx::logic_op op)
{
switch (op)
{
case rsx::logic_op::logic_clear: return GL_CLEAR;
case rsx::logic_op::logic_and: return GL_AND;
case rsx::logic_op::logic_and_reverse: return GL_AND_REVERSE;
case rsx::logic_op::logic_copy: return GL_COPY;
case rsx::logic_op::logic_and_inverted: return GL_AND_INVERTED;
case rsx::logic_op::logic_noop: return GL_NOOP;
case rsx::logic_op::logic_xor: return GL_XOR;
case rsx::logic_op::logic_or: return GL_OR;
case rsx::logic_op::logic_nor: return GL_NOR;
case rsx::logic_op::logic_equiv: return GL_EQUIV;
case rsx::logic_op::logic_invert: return GL_INVERT;
case rsx::logic_op::logic_or_reverse: return GL_OR_REVERSE;
case rsx::logic_op::logic_copy_inverted: return GL_COPY_INVERTED;
case rsx::logic_op::logic_or_inverted: return GL_OR_INVERTED;
case rsx::logic_op::logic_nand: return GL_NAND;
case rsx::logic_op::logic_set: return GL_SET;
}
fmt::throw_exception("Unsupported logic op 0x%X" HERE, (u32)op);
}
GLenum front_face(rsx::front_face op)
{
//NOTE: RSX face winding is always based off of upper-left corner like vulkan, but GL is bottom left
//shader_window_origin register does not affect this
//verified with Outrun Online Arcade (window_origin::top) and DS2 (window_origin::bottom)
//correctness of face winding checked using stencil test (GOW collection shadows)
switch (op)
{
case rsx::front_face::cw: return GL_CCW;
case rsx::front_face::ccw: return GL_CW;
}
fmt::throw_exception("Unsupported front face 0x%X" HERE, (u32)op);
}
GLenum cull_face(rsx::cull_face op)
{
switch (op)
{
case rsx::cull_face::front: return GL_FRONT;
case rsx::cull_face::back: return GL_BACK;
case rsx::cull_face::front_and_back: return GL_FRONT_AND_BACK;
}
fmt::throw_exception("Unsupported cull face 0x%X" HERE, (u32)op);
}
}
void GLGSRender::begin()
{
rsx::thread::begin();
if (skip_frame ||
(conditional_render_enabled && conditional_render_test_failed))
return;
init_buffers(rsx::framebuffer_creation_context::context_draw);
}
void GLGSRender::end()
{
m_profiler.start();
if (skip_frame || !framebuffer_status_valid ||
(conditional_render_enabled && conditional_render_test_failed))
{
execute_nop_draw();
rsx::thread::end();
return;
}
m_begin_time += m_profiler.duration();
const auto do_heap_cleanup = [this]()
{
if (manually_flush_ring_buffers)
{
m_attrib_ring_buffer->unmap();
m_index_ring_buffer->unmap();
}
else
{
//DMA push; not needed with MAP_COHERENT
//glMemoryBarrier(GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT);
}
};
gl::command_context cmd{ gl_state };
gl::render_target *ds = std::get<1>(m_rtts.m_bound_depth_stencil);
// Handle special memory barrier for ARGB8->D24S8 in an active DSV
if (ds && ds->old_contents.size() == 1 &&
ds->old_contents[0].source->get_internal_format() == gl::texture::internal_format::rgba8)
{
gl_state.enable(GL_FALSE, GL_SCISSOR_TEST);
// TODO: Stencil transfer
gl::g_hw_blitter->fast_clear_image(cmd, ds, 1.f, 0xFF);
ds->old_contents[0].init_transfer(ds);
m_depth_converter.run(ds->old_contents[0].src_rect(),
ds->old_contents[0].dst_rect(),
ds->old_contents[0].source, ds);
ds->on_write();
}
// Load textures
{
m_profiler.start();
std::lock_guard lock(m_sampler_mutex);
bool update_framebuffer_sourced = false;
if (surface_store_tag != m_rtts.cache_tag)
{
update_framebuffer_sourced = true;
surface_store_tag = m_rtts.cache_tag;
}
for (int i = 0; i < rsx::limits::fragment_textures_count; ++i)
{
if (!fs_sampler_state[i])
fs_sampler_state[i] = std::make_unique<gl::texture_cache::sampled_image_descriptor>();
if (m_samplers_dirty || m_textures_dirty[i] ||
(update_framebuffer_sourced && fs_sampler_state[i]->upload_context == rsx::texture_upload_context::framebuffer_storage))
{
auto sampler_state = static_cast<gl::texture_cache::sampled_image_descriptor*>(fs_sampler_state[i].get());
if (rsx::method_registers.fragment_textures[i].enabled())
{
*sampler_state = m_gl_texture_cache.upload_texture(cmd, rsx::method_registers.fragment_textures[i], m_rtts);
if (m_textures_dirty[i])
m_fs_sampler_states[i].apply(rsx::method_registers.fragment_textures[i], fs_sampler_state[i].get());
}
else
{
*sampler_state = {};
}
m_textures_dirty[i] = false;
}
}
for (int i = 0; i < rsx::limits::vertex_textures_count; ++i)
{
if (!vs_sampler_state[i])
vs_sampler_state[i] = std::make_unique<gl::texture_cache::sampled_image_descriptor>();
if (m_samplers_dirty || m_vertex_textures_dirty[i] ||
(update_framebuffer_sourced && vs_sampler_state[i]->upload_context == rsx::texture_upload_context::framebuffer_storage))
{
auto sampler_state = static_cast<gl::texture_cache::sampled_image_descriptor*>(vs_sampler_state[i].get());
if (rsx::method_registers.vertex_textures[i].enabled())
{
*sampler_state = m_gl_texture_cache.upload_texture(cmd, rsx::method_registers.vertex_textures[i], m_rtts);
if (m_vertex_textures_dirty[i])
m_vs_sampler_states[i].apply(rsx::method_registers.vertex_textures[i], vs_sampler_state[i].get());
}
else
*sampler_state = {};
m_vertex_textures_dirty[i] = false;
}
}
m_samplers_dirty.store(false);
m_textures_upload_time += m_profiler.duration();
}
// NOTE: Due to common OpenGL driver architecture, vertex data has to be uploaded as far away from the draw as possible
// TODO: Implement shaders cache prediction to avoid uploading vertex data if draw is going to skip
if (!load_program())
{
// Program is not ready, skip drawing this
std::this_thread::yield();
execute_nop_draw();
// m_rtts.on_write(); - breaks games for obvious reasons
rsx::thread::end();
return;
}
// Load program execution environment
load_program_env();
m_begin_time += m_profiler.duration();
//Bind textures and resolve external copy operations
for (int i = 0; i < rsx::limits::fragment_textures_count; ++i)
{
if (current_fp_metadata.referenced_textures_mask & (1 << i))
{
_SelectTexture(GL_FRAGMENT_TEXTURES_START + i);
gl::texture_view* view = nullptr;
auto sampler_state = static_cast<gl::texture_cache::sampled_image_descriptor*>(fs_sampler_state[i].get());
if (rsx::method_registers.fragment_textures[i].enabled() &&
sampler_state->validate())
{
if (view = sampler_state->image_handle; UNLIKELY(!view))
{
view = m_gl_texture_cache.create_temporary_subresource(cmd, sampler_state->external_subresource_desc);
}
}
if (LIKELY(view))
{
view->bind();
if (current_fragment_program.redirected_textures & (1 << i))
{
_SelectTexture(GL_STENCIL_MIRRORS_START + i);
auto root_texture = static_cast<gl::viewable_image*>(view->image());
auto stencil_view = root_texture->get_view(0xAAE4, rsx::default_remap_vector, gl::image_aspect::stencil);
stencil_view->bind();
}
}
else
{
auto target = gl::get_target(current_fragment_program.get_texture_dimension(i));
glBindTexture(target, m_null_textures[target]->id());
if (current_fragment_program.redirected_textures & (1 << i))
{
_SelectTexture(GL_STENCIL_MIRRORS_START + i);
glBindTexture(target, m_null_textures[target]->id());
}
}
}
}
for (int i = 0; i < rsx::limits::vertex_textures_count; ++i)
{
if (current_vp_metadata.referenced_textures_mask & (1 << i))
{
auto sampler_state = static_cast<gl::texture_cache::sampled_image_descriptor*>(vs_sampler_state[i].get());
_SelectTexture(GL_VERTEX_TEXTURES_START + i);
if (rsx::method_registers.vertex_textures[i].enabled() &&
sampler_state->validate())
{
if (LIKELY(sampler_state->image_handle))
{
sampler_state->image_handle->bind();
}
else
{
m_gl_texture_cache.create_temporary_subresource(cmd, sampler_state->external_subresource_desc)->bind();
}
}
else
{
glBindTexture(GL_TEXTURE_2D, GL_NONE);
}
}
}
m_textures_upload_time += m_profiler.duration();
// Optionally do memory synchronization if the texture stage has not yet triggered this
if (true)//g_cfg.video.strict_rendering_mode)
{
gl_state.enable(GL_FALSE, GL_SCISSOR_TEST);
if (ds) ds->write_barrier(cmd);
for (auto &rtt : m_rtts.m_bound_render_targets)
{
if (auto surface = std::get<1>(rtt))
{
surface->write_barrier(cmd);
}
}
}
else
{
rsx::simple_array<int> buffers_to_clear;
bool clear_all_color = true;
bool clear_depth = false;
for (int index = 0; index < 4; index++)
{
if (m_rtts.m_bound_render_targets[index].first)
{
if (!m_rtts.m_bound_render_targets[index].second->dirty())
clear_all_color = false;
else
buffers_to_clear.push_back(index);
}
}
if (ds && ds->dirty())
{
clear_depth = true;
}
if (clear_depth || !buffers_to_clear.empty())
{
gl_state.enable(GL_FALSE, GL_SCISSOR_TEST);
GLenum mask = 0;
if (clear_depth)
{
gl_state.depth_mask(GL_TRUE);
gl_state.clear_depth(1.f);
gl_state.clear_stencil(255);
mask |= GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
}
if (clear_all_color)
mask |= GL_COLOR_BUFFER_BIT;
glClear(mask);
if (!buffers_to_clear.empty() && !clear_all_color)
{
GLfloat colors[] = { 0.f, 0.f, 0.f, 0.f };
//It is impossible for the render target to be type A or B here (clear all would have been flagged)
for (auto &i : buffers_to_clear)
glClearBufferfv(GL_COLOR, i, colors);
}
if (clear_depth)
gl_state.depth_mask(rsx::method_registers.depth_write_enabled());
}
}
// Unconditionally enable stencil test if it was disabled before
gl_state.enable(GL_TRUE, GL_SCISSOR_TEST);
update_draw_state();
if (g_cfg.video.debug_output)
{
m_program->validate();
}
const GLenum draw_mode = gl::draw_mode(rsx::method_registers.current_draw_clause.primitive);
rsx::method_registers.current_draw_clause.begin();
int subdraw = 0;
do
{
if (!subdraw)
{
analyse_inputs_interleaved(m_vertex_layout);
if (!m_vertex_layout.validate())
{
// Execute remainining pipeline barriers with NOP draw
do
{
rsx::method_registers.current_draw_clause.execute_pipeline_dependencies();
}
while (rsx::method_registers.current_draw_clause.next());
rsx::method_registers.current_draw_clause.end();
break;
}
}
else
{
if (rsx::method_registers.current_draw_clause.execute_pipeline_dependencies() & rsx::vertex_base_changed)
{
// Rebase vertex bases instead of
for (auto &info : m_vertex_layout.interleaved_blocks)
{
const auto vertex_base_offset = rsx::method_registers.vertex_data_base_offset();
info.real_offset_address = rsx::get_address(rsx::get_vertex_offset_from_base(vertex_base_offset, info.base_offset), info.memory_location);
}
}
}
++subdraw;
if (manually_flush_ring_buffers)
{
//Use approximations to reserve space. This path is mostly for debug purposes anyway
u32 approx_vertex_count = rsx::method_registers.current_draw_clause.get_elements_count();
u32 approx_working_buffer_size = approx_vertex_count * 256;
//Allocate 256K heap if we have no approximation at this time (inlined array)
m_attrib_ring_buffer->reserve_storage_on_heap(std::max(approx_working_buffer_size, 256 * 1024U));
m_index_ring_buffer->reserve_storage_on_heap(16 * 1024);
}
//Do vertex upload before RTT prep / texture lookups to give the driver time to push data
auto upload_info = set_vertex_buffer();
do_heap_cleanup();
if (upload_info.vertex_draw_count == 0)
{
// Malformed vertex setup; abort
continue;
}
update_vertex_env(upload_info);
if (!upload_info.index_info)
{
if (rsx::method_registers.current_draw_clause.is_single_draw())
{
glDrawArrays(draw_mode, 0, upload_info.vertex_draw_count);
}
else
{
const auto subranges = rsx::method_registers.current_draw_clause.get_subranges();
const auto draw_count = subranges.size();
const auto driver_caps = gl::get_driver_caps();
bool use_draw_arrays_fallback = false;
m_scratch_buffer.resize(draw_count * 24);
GLint* firsts = (GLint*)m_scratch_buffer.data();
GLsizei* counts = (GLsizei*)(firsts + draw_count);
const GLvoid** offsets = (const GLvoid**)(counts + draw_count);
u32 first = 0;
u32 dst_index = 0;
for (const auto &range : subranges)
{
firsts[dst_index] = first;
counts[dst_index] = range.count;
offsets[dst_index++] = (const GLvoid*)(u64(first << 2));
if (driver_caps.vendor_AMD && (first + range.count) > (0x100000 >> 2))
{
//Unlikely, but added here in case the identity buffer is not large enough somehow
use_draw_arrays_fallback = true;
break;
}
first += range.count;
}
if (use_draw_arrays_fallback)
{
//MultiDrawArrays is broken on some primitive types using AMD. One known type is GL_TRIANGLE_STRIP but there could be more
for (u32 n = 0; n < draw_count; ++n)
{
glDrawArrays(draw_mode, firsts[n], counts[n]);
}
}
else if (driver_caps.vendor_AMD)
{
//Use identity index buffer to fix broken vertexID on AMD
m_identity_index_buffer->bind();
glMultiDrawElements(draw_mode, counts, GL_UNSIGNED_INT, offsets, (GLsizei)draw_count);
}
else
{
//Normal render
glMultiDrawArrays(draw_mode, firsts, counts, (GLsizei)draw_count);
}
}
}
else
{
const GLenum index_type = std::get<0>(*upload_info.index_info);
const u32 index_offset = std::get<1>(*upload_info.index_info);
const bool restarts_valid = gl::is_primitive_native(rsx::method_registers.current_draw_clause.primitive) && !rsx::method_registers.current_draw_clause.is_disjoint_primitive;
if (gl_state.enable(restarts_valid && rsx::method_registers.restart_index_enabled(), GL_PRIMITIVE_RESTART))
{
glPrimitiveRestartIndex((index_type == GL_UNSIGNED_SHORT) ? 0xffff : 0xffffffff);
}
m_index_ring_buffer->bind();
if (rsx::method_registers.current_draw_clause.is_single_draw())
{
glDrawElements(draw_mode, upload_info.vertex_draw_count, index_type, (GLvoid *)(uintptr_t)index_offset);
}
else
{
const auto subranges = rsx::method_registers.current_draw_clause.get_subranges();
const auto draw_count = subranges.size();
const u32 type_scale = (index_type == GL_UNSIGNED_SHORT) ? 1 : 2;
uintptr_t index_ptr = index_offset;
m_scratch_buffer.resize(draw_count * 16);
GLsizei *counts = (GLsizei*)m_scratch_buffer.data();
const GLvoid** offsets = (const GLvoid**)(counts + draw_count);
int dst_index = 0;
for (const auto &range : subranges)
{
const auto index_size = get_index_count(rsx::method_registers.current_draw_clause.primitive, range.count);
counts[dst_index] = index_size;
offsets[dst_index++] = (const GLvoid*)index_ptr;
index_ptr += (index_size << type_scale);
}
glMultiDrawElements(draw_mode, counts, index_type, offsets, (GLsizei)draw_count);
}
}
} while (rsx::method_registers.current_draw_clause.next());
m_rtts.on_write();
m_attrib_ring_buffer->notify();
m_index_ring_buffer->notify();
m_fragment_env_buffer->notify();
m_vertex_env_buffer->notify();
m_texture_parameters_buffer->notify();
m_vertex_layout_buffer->notify();
m_fragment_constants_buffer->notify();
m_transform_constants_buffer->notify();
m_draw_time += m_profiler.duration();
rsx::thread::end();
}
void GLGSRender::set_viewport()
{
// NOTE: scale offset matrix already contains the viewport transformation
const auto clip_width = rsx::apply_resolution_scale(rsx::method_registers.surface_clip_width(), true);
const auto clip_height = rsx::apply_resolution_scale(rsx::method_registers.surface_clip_height(), true);
glViewport(0, 0, clip_width, clip_height);
}
void GLGSRender::set_scissor(bool clip_viewport)
{
areau scissor;
if (get_scissor(scissor, clip_viewport))
{
// NOTE: window origin does not affect scissor region (probably only affects viewport matrix; already applied)
// See LIMBO [NPUB-30373] which uses shader window origin = top
glScissor(scissor.x1, scissor.y1, scissor.width(), scissor.height());
gl_state.enable(GL_TRUE, GL_SCISSOR_TEST);
}
}
void GLGSRender::on_init_thread()
{
verify(HERE), m_frame;
// NOTES: All contexts have to be created before any is bound to a thread
// This allows context sharing to work (both GLRCs passed to wglShareLists have to be idle or you get ERROR_BUSY)
m_context = m_frame->make_context();
if (!g_cfg.video.disable_asynchronous_shader_compiler)
{
m_decompiler_context = m_frame->make_context();
}
// Bind primary context to main RSX thread
m_frame->set_current(m_context);
zcull_ctrl.reset(static_cast<::rsx::reports::ZCULL_control*>(this));
gl::init();
//Enable adaptive vsync if vsync is requested
gl::set_swapinterval(g_cfg.video.vsync ? -1 : 0);
if (g_cfg.video.debug_output)
gl::enable_debugging();
LOG_NOTICE(RSX, "GL RENDERER: %s (%s)", (const char*)glGetString(GL_RENDERER), (const char*)glGetString(GL_VENDOR));
LOG_NOTICE(RSX, "GL VERSION: %s", (const char*)glGetString(GL_VERSION));
LOG_NOTICE(RSX, "GLSL VERSION: %s", (const char*)glGetString(GL_SHADING_LANGUAGE_VERSION));
auto& gl_caps = gl::get_driver_caps();
if (!gl_caps.ARB_texture_buffer_supported)
{
fmt::throw_exception("Failed to initialize OpenGL renderer. ARB_texture_buffer_object is required but not supported by your GPU");
}
if (!gl_caps.ARB_dsa_supported && !gl_caps.EXT_dsa_supported)
{
fmt::throw_exception("Failed to initialize OpenGL renderer. ARB_direct_state_access or EXT_direct_state_access is required but not supported by your GPU");
}
if (!gl_caps.ARB_depth_buffer_float_supported && g_cfg.video.force_high_precision_z_buffer)
{
LOG_WARNING(RSX, "High precision Z buffer requested but your GPU does not support GL_ARB_depth_buffer_float. Option ignored.");
}
if (!gl_caps.ARB_texture_barrier_supported && !gl_caps.NV_texture_barrier_supported && !g_cfg.video.strict_rendering_mode)
{
LOG_WARNING(RSX, "Texture barriers are not supported by your GPU. Feedback loops will have undefined results.");
}
//Use industry standard resource alignment values as defaults
m_uniform_buffer_offset_align = 256;
m_min_texbuffer_alignment = 256;
m_max_texbuffer_size = 0;
glEnable(GL_VERTEX_PROGRAM_POINT_SIZE);
glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, &m_uniform_buffer_offset_align);
glGetIntegerv(GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT, &m_min_texbuffer_alignment);
glGetIntegerv(GL_MAX_TEXTURE_BUFFER_SIZE, &m_max_texbuffer_size);
m_vao.create();
//Set min alignment to 16-bytes for SSE optimizations with aligned addresses to work
m_min_texbuffer_alignment = std::max(m_min_texbuffer_alignment, 16);
m_uniform_buffer_offset_align = std::max(m_uniform_buffer_offset_align, 16);
LOG_NOTICE(RSX, "Supported texel buffer size reported: %d bytes", m_max_texbuffer_size);
if (m_max_texbuffer_size < (16 * 0x100000))
{
LOG_ERROR(RSX, "Max texture buffer size supported is less than 16M which is useless. Expect undefined behaviour.");
m_max_texbuffer_size = (16 * 0x100000);
}
//Array stream buffer
{
m_gl_persistent_stream_buffer = std::make_unique<gl::texture>(GL_TEXTURE_BUFFER, 0, 0, 0, 0, GL_R8UI);
_SelectTexture(GL_STREAM_BUFFER_START + 0);
glBindTexture(GL_TEXTURE_BUFFER, m_gl_persistent_stream_buffer->id());
}
//Register stream buffer
{
m_gl_volatile_stream_buffer = std::make_unique<gl::texture>(GL_TEXTURE_BUFFER, 0, 0, 0, 0, GL_R8UI);
_SelectTexture(GL_STREAM_BUFFER_START + 1);
glBindTexture(GL_TEXTURE_BUFFER, m_gl_volatile_stream_buffer->id());
}
//Fallback null texture instead of relying on texture0
{
std::vector<u32> pixeldata = { 0, 0, 0, 0 };
//1D
auto tex1D = std::make_unique<gl::texture>(GL_TEXTURE_1D, 1, 1, 1, 1, GL_RGBA8);
tex1D->copy_from(pixeldata.data(), gl::texture::format::rgba, gl::texture::type::uint_8_8_8_8);
//2D
auto tex2D = std::make_unique<gl::texture>(GL_TEXTURE_2D, 1, 1, 1, 1, GL_RGBA8);
tex2D->copy_from(pixeldata.data(), gl::texture::format::rgba, gl::texture::type::uint_8_8_8_8);
//3D
auto tex3D = std::make_unique<gl::texture>(GL_TEXTURE_3D, 1, 1, 1, 1, GL_RGBA8);
tex3D->copy_from(pixeldata.data(), gl::texture::format::rgba, gl::texture::type::uint_8_8_8_8);
//CUBE
auto texCUBE = std::make_unique<gl::texture>(GL_TEXTURE_CUBE_MAP, 1, 1, 1, 1, GL_RGBA8);
texCUBE->copy_from(pixeldata.data(), gl::texture::format::rgba, gl::texture::type::uint_8_8_8_8);
m_null_textures[GL_TEXTURE_1D] = std::move(tex1D);
m_null_textures[GL_TEXTURE_2D] = std::move(tex2D);
m_null_textures[GL_TEXTURE_3D] = std::move(tex3D);
m_null_textures[GL_TEXTURE_CUBE_MAP] = std::move(texCUBE);
}
if (!gl_caps.ARB_buffer_storage_supported)
{
LOG_WARNING(RSX, "Forcing use of legacy OpenGL buffers because ARB_buffer_storage is not supported");
// TODO: do not modify config options
g_cfg.video.gl_legacy_buffers.from_string("true");
}
if (g_cfg.video.gl_legacy_buffers)
{
LOG_WARNING(RSX, "Using legacy openGL buffers.");
manually_flush_ring_buffers = true;
m_attrib_ring_buffer = std::make_unique<gl::legacy_ring_buffer>();
m_transform_constants_buffer = std::make_unique<gl::legacy_ring_buffer>();
m_fragment_constants_buffer = std::make_unique<gl::legacy_ring_buffer>();
m_fragment_env_buffer = std::make_unique<gl::legacy_ring_buffer>();
m_vertex_env_buffer = std::make_unique<gl::legacy_ring_buffer>();
m_texture_parameters_buffer = std::make_unique<gl::legacy_ring_buffer>();
m_vertex_layout_buffer = std::make_unique<gl::legacy_ring_buffer>();
m_index_ring_buffer = std::make_unique<gl::legacy_ring_buffer>();
}
else
{
m_attrib_ring_buffer = std::make_unique<gl::ring_buffer>();
m_transform_constants_buffer = std::make_unique<gl::ring_buffer>();
m_fragment_constants_buffer = std::make_unique<gl::ring_buffer>();
m_fragment_env_buffer = std::make_unique<gl::ring_buffer>();
m_vertex_env_buffer = std::make_unique<gl::ring_buffer>();
m_texture_parameters_buffer = std::make_unique<gl::ring_buffer>();
m_vertex_layout_buffer = std::make_unique<gl::ring_buffer>();
m_index_ring_buffer = std::make_unique<gl::ring_buffer>();
}
m_attrib_ring_buffer->create(gl::buffer::target::texture, 256 * 0x100000);
m_index_ring_buffer->create(gl::buffer::target::element_array, 64 * 0x100000);
m_transform_constants_buffer->create(gl::buffer::target::uniform, 64 * 0x100000);
m_fragment_constants_buffer->create(gl::buffer::target::uniform, 16 * 0x100000);
m_fragment_env_buffer->create(gl::buffer::target::uniform, 16 * 0x100000);
m_vertex_env_buffer->create(gl::buffer::target::uniform, 16 * 0x100000);
m_texture_parameters_buffer->create(gl::buffer::target::uniform, 16 * 0x100000);
m_vertex_layout_buffer->create(gl::buffer::target::uniform, 16 * 0x100000);
if (gl_caps.vendor_AMD)
{
m_identity_index_buffer = std::make_unique<gl::buffer>();
m_identity_index_buffer->create(gl::buffer::target::element_array, 1 * 0x100000);
// Initialize with 256k identity entries
auto *dst = (u32*)m_identity_index_buffer->map(gl::buffer::access::write);
for (u32 n = 0; n < (0x100000 >> 2); ++n)
{
dst[n] = n;
}
m_identity_index_buffer->unmap();
}
m_persistent_stream_view.update(m_attrib_ring_buffer.get(), 0, std::min<u32>((u32)m_attrib_ring_buffer->size(), m_max_texbuffer_size));
m_volatile_stream_view.update(m_attrib_ring_buffer.get(), 0, std::min<u32>((u32)m_attrib_ring_buffer->size(), m_max_texbuffer_size));
m_gl_persistent_stream_buffer->copy_from(m_persistent_stream_view);
m_gl_volatile_stream_buffer->copy_from(m_volatile_stream_view);
m_vao.element_array_buffer = *m_index_ring_buffer;
if (g_cfg.video.overlay)
{
if (gl_caps.ARB_shader_draw_parameters_supported)
{
m_text_printer.init();
m_text_printer.set_enabled(true);
}
}
int image_unit = 0;
for (auto &sampler : m_fs_sampler_states)
{
sampler.create();
sampler.bind(image_unit++);
}
for (auto &sampler : m_fs_sampler_mirror_states)
{
sampler.create();
sampler.apply_defaults();
sampler.bind(image_unit++);
}
for (auto &sampler : m_vs_sampler_states)
{
sampler.create();
sampler.bind(image_unit++);
}
//Occlusion query
for (u32 i = 0; i < occlusion_query_count; ++i)
{
GLuint handle = 0;
auto &query = m_occlusion_query_data[i];
glGenQueries(1, &handle);
query.driver_handle = (u64)handle;
query.pending = false;
query.active = false;
query.result = 0;
}
//Clip planes are shader controlled; enable all planes driver-side
glEnable(GL_CLIP_DISTANCE0 + 0);
glEnable(GL_CLIP_DISTANCE0 + 1);
glEnable(GL_CLIP_DISTANCE0 + 2);
glEnable(GL_CLIP_DISTANCE0 + 3);
glEnable(GL_CLIP_DISTANCE0 + 4);
glEnable(GL_CLIP_DISTANCE0 + 5);
m_depth_converter.create();
m_ui_renderer.create();
m_video_output_pass.create();
m_gl_texture_cache.initialize();
m_thread_id = std::this_thread::get_id();
if (!supports_native_ui)
{
m_frame->hide();
m_shaders_cache->load(nullptr);
m_frame->show();
}
else
{
struct native_helper : gl::shader_cache::progress_dialog_helper
{
rsx::thread *owner = nullptr;
std::shared_ptr<rsx::overlays::message_dialog> dlg;
native_helper(GLGSRender *ptr) :
owner(ptr) {}
void create() override
{
MsgDialogType type = {};
type.disable_cancel = true;
type.progress_bar_count = 2;
dlg = fxm::get<rsx::overlays::display_manager>()->create<rsx::overlays::message_dialog>((bool)g_cfg.video.shader_preloading_dialog.use_custom_background);
dlg->progress_bar_set_taskbar_index(-1);
dlg->show("Loading precompiled shaders from disk...", type, [](s32 status)
{
if (status != CELL_OK)
Emu.Stop();
});
}
void update_msg(u32 index, u32 processed, u32 entry_count) override
{
const char *text = index == 0 ? "Loading pipeline object %u of %u" : "Compiling pipeline object %u of %u";
dlg->progress_bar_set_message(index, fmt::format(text, processed, entry_count));
owner->flip(0);
}
void inc_value(u32 index, u32 value) override
{
dlg->progress_bar_increment(index, (f32)value);
owner->flip(0);
}
void set_limit(u32 index, u32 limit) override
{
dlg->progress_bar_set_limit(index, limit);
owner->flip(0);
}
void refresh() override
{
dlg->refresh();
}
void close() override
{
dlg->return_code = CELL_OK;
dlg->close();
}
}
helper(this);
m_shaders_cache->load(&helper);
}
}
void GLGSRender::on_exit()
{
zcull_ctrl.release();
m_prog_buffer.clear();
m_rtts.destroy();
for (auto &fbo : m_framebuffer_cache)
{
fbo.remove();
}
m_framebuffer_cache.clear();
if (m_flip_fbo)
{
m_flip_fbo.remove();
}
if (m_flip_tex_color)
{
m_flip_tex_color.reset();
}
if (m_vao)
{
m_vao.remove();
}
m_gl_persistent_stream_buffer.reset();
m_gl_volatile_stream_buffer.reset();
for (auto &sampler : m_fs_sampler_states)