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gl: Handle clip plane switching using API calls and the state tracker

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This commit is contained in:
kd-11
2022-10-20 20:54:35 +03:00
committed by kd-11
parent 903d847058
commit bd9c876e36
6 changed files with 30 additions and 14 deletions
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3
rpcs3/Emu/RSX/GL/GLDraw.cpp
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@@ -289,6 +289,9 @@ void GLGSRender::update_draw_state()
break;
}
// Clip planes
gl_state.clip_planes((current_vertex_program.output_mask >> CELL_GCM_ATTRIB_OUTPUT_UC0) & 0x3F);
// Sample control
// TODO: MinSampleShading
//gl_state.enable(rsx::method_registers.msaa_enabled(), GL_MULTISAMPLE);

8
rpcs3/Emu/RSX/GL/GLGSRender.cpp
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@@ -320,14 +320,6 @@ void GLGSRender::on_init_thread()
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_ui_renderer.create();
m_video_output_pass.create();

1
rpcs3/Emu/RSX/GL/GLOverlays.cpp
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@@ -133,6 +133,7 @@ namespace gl
cmd->disable(GL_CULL_FACE);
cmd->disable(GL_SCISSOR_TEST);
cmd->clip_planes(GL_NONE);
if (enable_depth_writes)
{

1
rpcs3/Emu/RSX/GL/GLTextOut.h
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@@ -182,6 +182,7 @@ namespace gl
glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &old_vao);
load_program(cmd, scale_x, scale_y, shader_offsets.data(), counts.size(), color);
cmd->clip_planes(GL_NONE);
m_vao.bind();

12
rpcs3/Emu/RSX/GL/GLVertexProgram.cpp
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@@ -88,13 +88,13 @@ static const vertex_reg_info reg_table[] =
//Fog output shares a data source register with clip planes 0-2 so only declare when specified
{ "fog_c", true, "dst_reg5", ".xxxx", true, "", "", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_FOG },
//Warning: Always define all 3 clip plane groups together to avoid flickering with openGL
{ "gl_ClipDistance[0]", false, "dst_reg5", ".y * user_clip_factor[0].x", false, "user_clip_enabled[0].x > 0", "0.5", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_UC0 | CELL_GCM_ATTRIB_OUTPUT_MASK_UC1 | CELL_GCM_ATTRIB_OUTPUT_MASK_UC2 },
{ "gl_ClipDistance[1]", false, "dst_reg5", ".z * user_clip_factor[0].y", false, "user_clip_enabled[0].y > 0", "0.5", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_UC0 | CELL_GCM_ATTRIB_OUTPUT_MASK_UC1 | CELL_GCM_ATTRIB_OUTPUT_MASK_UC2 },
{ "gl_ClipDistance[2]", false, "dst_reg5", ".w * user_clip_factor[0].z", false, "user_clip_enabled[0].z > 0", "0.5", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_UC0 | CELL_GCM_ATTRIB_OUTPUT_MASK_UC1 | CELL_GCM_ATTRIB_OUTPUT_MASK_UC2 },
{ "gl_ClipDistance[0]", false, "dst_reg5", ".y * user_clip_factor[0].x", false, "user_clip_enabled[0].x > 0", "0.5", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_UC0 },
{ "gl_ClipDistance[1]", false, "dst_reg5", ".z * user_clip_factor[0].y", false, "user_clip_enabled[0].y > 0", "0.5", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_UC1 },
{ "gl_ClipDistance[2]", false, "dst_reg5", ".w * user_clip_factor[0].z", false, "user_clip_enabled[0].z > 0", "0.5", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_UC2 },
{ "gl_PointSize", false, "dst_reg6", ".x", false, "", "", "", true, CELL_GCM_ATTRIB_OUTPUT_POINTSIZE },
{ "gl_ClipDistance[3]", false, "dst_reg6", ".y * user_clip_factor[0].w", false, "user_clip_enabled[0].w > 0", "0.5", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_UC3 | CELL_GCM_ATTRIB_OUTPUT_MASK_UC4 | CELL_GCM_ATTRIB_OUTPUT_MASK_UC5 },
{ "gl_ClipDistance[4]", false, "dst_reg6", ".z * user_clip_factor[1].x", false, "user_clip_enabled[1].x > 0", "0.5", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_UC3 | CELL_GCM_ATTRIB_OUTPUT_MASK_UC4 | CELL_GCM_ATTRIB_OUTPUT_MASK_UC5 },
{ "gl_ClipDistance[5]", false, "dst_reg6", ".w * user_clip_factor[1].y", false, "user_clip_enabled[1].y > 0", "0.5", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_UC3 | CELL_GCM_ATTRIB_OUTPUT_MASK_UC4 | CELL_GCM_ATTRIB_OUTPUT_MASK_UC5 },
{ "gl_ClipDistance[3]", false, "dst_reg6", ".y * user_clip_factor[0].w", false, "user_clip_enabled[0].w > 0", "0.5", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_UC3 },
{ "gl_ClipDistance[4]", false, "dst_reg6", ".z * user_clip_factor[1].x", false, "user_clip_enabled[1].x > 0", "0.5", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_UC4 },
{ "gl_ClipDistance[5]", false, "dst_reg6", ".w * user_clip_factor[1].y", false, "user_clip_enabled[1].y > 0", "0.5", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_UC5 },
{ "tc0", true, "dst_reg7", "", false, "", "", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_TEX0 },
{ "tc1", true, "dst_reg8", "", false, "", "", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_TEX1 },
{ "tc2", true, "dst_reg9", "", false, "", "", "", true, CELL_GCM_ATTRIB_OUTPUT_MASK_TEX2 },

19
rpcs3/Emu/RSX/GL/glutils/state_tracker.hpp
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@@ -10,6 +10,7 @@ namespace gl
class driver_state
{
const u32 DEPTH_BOUNDS = 0xFFFF0001;
const u32 CLIP_PLANES = 0xFFFF0002;
const u32 DEPTH_RANGE = 0xFFFF0004;
const u32 STENCIL_FRONT_FUNC = 0xFFFF0005;
const u32 STENCIL_BACK_FUNC = 0xFFFF0006;
@@ -308,6 +309,24 @@ namespace gl
}
}
void clip_planes(GLuint mask)
{
if (!test_and_set_property(CLIP_PLANES, mask))
{
for (u32 i = 0; i < 6; ++i)
{
if (mask & (1 << i))
{
glEnable(GL_CLIP_DISTANCE0 + i);
}
else
{
glDisable(GL_CLIP_DISTANCE0 + i);
}
}
}
}
void use_program(GLuint program)
{
if (current_program == program)