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TAA

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This commit is contained in:
korenkonder
2023-12-09 01:02:42 +03:00
parent c45a1471c0
commit 2fe2a2862a
4 changed files with 138 additions and 44 deletions
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src/DivaGL/render.cpp
+129 -43
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@@ -54,8 +54,7 @@ namespace rndr {
calc_exposure();
apply_tone_map();
if (mlaa)
apply_mlaa(ss_alpha_mask);
apply_mlaa(taa_texture_selector, 2, mlaa);
for (int32_t i = 0; i < 16; i++) {
if (!render_textures_data[i])
@@ -70,7 +69,7 @@ namespace rndr {
uniform->arr[U_REDUCE] = 0;
glViewportDLL(0, 0, t->width, t->height);
gl_state_active_bind_texture_2d(0, taa_tex[2]->tex);
gl_state_active_bind_texture_2d(0, taa_tex[taa_texture_selector]->tex);
gl_state_bind_sampler(0, rctx->render_samplers[0]);
shaders_ft.set(SHADER_FT_REDUCE);
draw_quad(render_post_width[0], render_post_height[0],
@@ -81,6 +80,69 @@ namespace rndr {
copy_to_frame_texture(rend_texture[0].GetColorTex(),
render_width[0], render_height[0], taa_tex[taa_texture_selector]->tex);
if (taa) {
if (taa_blend >= 0.0f)
calc_taa_blend();
else
taa_blend = 1.0f;
}
if (taa_blend < 0.0f || taa_blend >= 1.0f)
taa_texture = taa_texture_selector;
else {
bool depth = false;
GLuint sampler = rctx->render_samplers[1];
if (taa_blend > 0.99f) {
depth = 1;
sampler = rctx->render_samplers[0];
}
taa_texture = 2;
taa_buffer[2].Bind();
glViewportDLL(0, 0, render_width[0], render_height[0]);
gl_state_active_bind_texture_2d(0, taa_tex[taa_texture_selector]->tex);
gl_state_bind_sampler(0, sampler);
if (depth) {
gl_state_active_bind_texture_2d(2, rend_texture[0].depth_texture->tex);
gl_state_bind_sampler(2, sampler);
mat4 mat;
mat4_invert(&cam_view_projection, &mat);
mat4_mul(&cam_view_projection_prev, &mat, &mat);
uniform->arr[U_REDUCE] = 6;
camera_blur_shader_data shader_data = {};
shader_data.g_transform[0] = mat.row0;
shader_data.g_transform[1] = mat.row1;
shader_data.g_transform[2] = mat.row2;
shader_data.g_transform[3] = mat.row3;
rctx->camera_blur_ubo.WriteMemory(shader_data);
rctx->camera_blur_ubo.Bind(1);
}
else {
int32_t taa_texture_selector = this->taa_texture_selector + 1;
if (taa_texture_selector > taa)
taa_texture_selector = 0;
gl_state_active_bind_texture_2d(1, taa_tex[taa_texture_selector]->tex);
gl_state_bind_sampler(1, sampler);
uniform->arr[U_REDUCE] = 5;
}
shaders_ft.set(SHADER_FT_REDUCE);
draw_quad(render_post_width[0], render_post_height[0],
render_post_width_scale, render_post_height_scale,
0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, taa_blend);
}
if (taa) {
int32_t taa_texture_selector = this->taa_texture_selector + 1;
if (taa_texture_selector > taa)
taa_texture_selector = 0;
this->taa_texture_selector = taa_texture_selector;
}
rctx->screen_buffer.Bind();
glViewportDLL(0, 0, rctx->sprite_width, rctx->sprite_height);
if (ssaa) {
@@ -972,48 +1034,55 @@ namespace rndr {
taa_blend = -1.0f;
}
void Render::apply_mlaa(int32_t ss_alpha_mask) {
gl_state_begin_event("PostProcess::mlaa");
mlaa_buffer.Bind();
gl_state_active_bind_texture_2d(0, taa_tex[2]->tex);
gl_state_bind_sampler(0, rctx->render_samplers[1]);
uniform->arr[U_MLAA] = 0;
shaders_ft.set(SHADER_FT_MLAA);
draw_quad(render_post_width[0], render_post_height[0],
render_post_width_scale, render_post_height_scale,
0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
void Render::apply_mlaa(int32_t destination, int32_t source, int32_t mlaa) {
if (mlaa) {
gl_state_begin_event("PostProcess::mlaa");
mlaa_buffer.Bind();
gl_state_active_bind_texture_2d(0, taa_tex[source]->tex);
gl_state_bind_sampler(0, rctx->render_samplers[1]);
uniform->arr[U_MLAA] = 0;
shaders_ft.set(SHADER_FT_MLAA);
draw_quad(render_post_width[0], render_post_height[0],
render_post_width_scale, render_post_height_scale,
0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
temp_buffer.Bind();
gl_state_active_bind_texture_2d(0, mlaa_buffer.GetColorTex());
gl_state_active_bind_texture_2d(1, mlaa_area_texture);
gl_state_bind_sampler(0, rctx->render_samplers[0]);
gl_state_bind_sampler(1, rctx->render_samplers[1]);
uniform->arr[U_MLAA] = 1;
uniform->arr[U_MLAA_SEARCH] = 2;
shaders_ft.set(SHADER_FT_MLAA);
draw_quad(render_post_width[0], render_post_height[0],
render_post_width_scale, render_post_height_scale,
0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
temp_buffer.Bind();
gl_state_active_bind_texture_2d(0, mlaa_buffer.GetColorTex());
gl_state_active_bind_texture_2d(1, mlaa_area_texture);
gl_state_bind_sampler(0, rctx->render_samplers[0]);
gl_state_bind_sampler(1, rctx->render_samplers[1]);
uniform->arr[U_MLAA] = 1;
uniform->arr[U_MLAA_SEARCH] = 2;
shaders_ft.set(SHADER_FT_MLAA);
draw_quad(render_post_width[0], render_post_height[0],
render_post_width_scale, render_post_height_scale,
0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
RenderTexture& buf_texture = rctx->render_buffer;
buf_texture.Bind();
gl_state_active_bind_texture_2d(0, taa_tex[2]->tex);
gl_state_active_bind_texture_2d(1, temp_buffer.GetColorTex());
gl_state_bind_sampler(0, rctx->render_samplers[1]);
uniform->arr[U_MLAA] = 2;
uniform->arr[U_ALPHA_MASK] = ss_alpha_mask ? 1 : 0;
shaders_ft.set(SHADER_FT_MLAA);
draw_quad(render_post_width[0], render_post_height[0],
render_post_width_scale, render_post_height_scale,
0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
uniform->arr[U_ALPHA_MASK] = 0;
gl_state_active_bind_texture_2d(0, 0);
gl_state_active_bind_texture_2d(1, 0);
fbo_blit(buf_texture.fbos[0], taa_buffer[2].fbos[0],
0, 0, buf_texture.GetWidth(), buf_texture.GetHeight(),
0, 0, taa_tex[2]->width, taa_tex[2]->height, GL_COLOR_BUFFER_BIT, GL_LINEAR);
gl_state_end_event();
taa_buffer[destination].Bind();
gl_state_active_bind_texture_2d(0, taa_tex[2]->tex);
gl_state_active_bind_texture_2d(1, temp_buffer.GetColorTex());
gl_state_bind_sampler(0, rctx->render_samplers[1]);
uniform->arr[U_MLAA] = 2;
uniform->arr[U_ALPHA_MASK] = ss_alpha_mask ? 1 : 0;
shaders_ft.set(SHADER_FT_MLAA);
draw_quad(render_post_width[0], render_post_height[0],
render_post_width_scale, render_post_height_scale,
0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
uniform->arr[U_ALPHA_MASK] = 0;
gl_state_active_bind_texture_2d(0, 0);
gl_state_active_bind_texture_2d(1, 0);
gl_state_end_event();
}
else {
taa_buffer[destination].Bind();
gl_state_active_bind_texture_2d(0, taa_tex[source]->tex);
gl_state_bind_sampler(0, rctx->render_samplers[1]);
uniform->arr[U_REDUCE] = 0;
shaders_ft.set(SHADER_FT_REDUCE);
draw_quad(render_post_width[0], render_post_height[0],
render_post_width_scale, render_post_height_scale,
0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
}
}
void Render::apply_tone_map() {
@@ -1365,6 +1434,23 @@ namespace rndr {
data += 30;
}
void Render::calc_taa_blend() {
float_t view_point_dist = vec3::distance(view_point, view_point_prev);
float_t interest_dist = vec3::distance(interest, interest_prev);
float_t dist = max_def(view_point_dist, interest_dist);
if (!reset_exposure) {
if (dist < 0.0001f)
taa_blend = 0.5f;
else if (dist < 0.005f)
taa_blend = 0.75f;
else if (dist < 0.03f)
taa_blend = 0.875f;
else if (dist <= 0.05f && cam_blur)
taa_blend = 0.999f;
}
}
void Render::copy_to_frame_texture(GLuint pre_pp_tex, int32_t wight, int32_t height, GLuint post_pp_tex) {
for (Render::FrameTexture& i : frame_texture) {
if (!i.capture)