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korenkonder
2023-11-29 13:42:59 +03:00
parent 3aee70f598
commit 53a4fe5a19
7 changed files with 128 additions and 134 deletions
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src/CRE/post_process/blur.cpp
+82 -110
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@@ -20,12 +20,19 @@ static void post_process_blur_radius_calculate_gaussian_kernel(float_t* gaussian
post_process_blur::post_process_blur() : data(),
width(), height(), width_down(), height_down(), tex_down(), count_down() {
tex[0].Init(256, 144, 0, GL_RGBA16F, 0);
tex[1].Init(128, 72, 0, GL_RGBA16F, 0);
tex[2].Init(64, 36, 0, GL_RGBA16F, 0);
tex[3].Init(32, 18, 0, GL_RGBA16F, 0);
tex[4].Init(8, 8, 0, GL_RGBA16F, 0);
tex[5].Init(256, 144, 0, GL_RGBA16F, 0);
reduce_width[0] = 256;
reduce_height[0] = 144;
reduce_width[1] = 128;
reduce_height[1] = 72;
reduce_width[2] = 64;
reduce_height[2] = 36;
reduce_width[3] = 32;
reduce_height[3] = 18;
reduce_width[4] = 8;
reduce_height[4] = 8;
for (int32_t i = 0; i < 5; i++)
reduce_texture[i].Init(reduce_width[i], reduce_height[i], 0, GL_RGBA16F, 0);
downsample_texture.Init(reduce_width[0], reduce_height[0], 0, GL_RGBA16F, 0);
gaussian_coef_ubo.Create(sizeof(gaussian_coef_shader_data));
}
@@ -41,20 +48,7 @@ post_process_blur:: ~post_process_blur() {
free_def(width_down);
}
void post_process_blur::get_blur(RenderTexture* rt) {
uniform_value[U_ALPHA_MASK] = 0;
vec3 intensity = data.intensity;
vec3* gauss = data.gauss;
gaussian_coef_shader_data gaussian_coef = {};
for (int32_t i = 0; i < POST_PROCESS_BLUR_GAUSSIAN_KERNEL_SIZE && i < 8; i++) {
vec3 coef = gauss[i] * intensity;
gaussian_coef.g_coef[i] = { coef.x, coef.y, coef.z, 0.0f };
}
gaussian_coef_ubo.WriteMemory(gaussian_coef);
void post_process_blur::downsample(RenderTexture* rt) {
int32_t i = 0;
if (count_down > 0) {
uniform_value[U_REDUCE] = 1;
@@ -63,7 +57,8 @@ void post_process_blur::get_blur(RenderTexture* rt) {
glViewport(0, 0, width_down[i], height_down[i]);
tex_down[i].Bind();
gl_state_active_bind_texture_2d(0, (i ? tex_down[i - 1] : *rt).GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, width_down[i], height_down[i]);
RenderTexture::DrawQuad(&shaders_ft, width_down[i], height_down[i],
1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
}
i--;
}
@@ -71,114 +66,91 @@ void post_process_blur::get_blur(RenderTexture* rt) {
uniform_value[U_REDUCE] = 3;
shaders_ft.set(SHADER_FT_REDUCE);
glViewport(0, 0, 256, 144);
tex[0].Bind();
glViewport(0, 0, reduce_width[0], reduce_height[0]);
reduce_texture[0].Bind();
gl_state_active_bind_texture_2d(0, (count_down > 0 ? tex_down[i] : *rt).GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, width, height, 1.0f, 1.0f, 1.1f, 1.1f, 1.1f, 0.0f);
RenderTexture::DrawQuad(&shaders_ft, width, height,
1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.1f, 1.1f, 1.1f, 0.0f);
uniform_value[U_GAUSS] = 1;
shaders_ft.set(SHADER_FT_GAUSS);
downsample_texture.Bind();
gl_state_active_bind_texture_2d(0, reduce_texture[0].GetColorTex());
for (int32_t i = 1; i < 5; i++) {
float_t scale;
if (i == 4) {
scale = 1.0f;
uniform_value[U_EXPOSURE] = 0;
shaders_ft.set(SHADER_FT_EXPOSURE);
}
else
{
scale = 0.75;
uniform_value[U_REDUCE] = 1;
shaders_ft.set(SHADER_FT_REDUCE);
}
glViewport(0, 0, 256, 144);
tex[5].Bind();
gl_state_active_bind_texture_2d(0, tex[0].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, 256, 144, 1.0f, 1.0f,
data.intensity.x * 0.5f, data.intensity.y * 0.5f, data.intensity.z * 0.5f, 1.0f);
glViewport(0, 0, reduce_width[i], reduce_height[i]);
RenderTexture::DrawQuad(&shaders_ft, reduce_width[i - 1], reduce_height[i - 1],
1.0f, 1.0f, 0.0f, 0.0f, scale, 1.0f, 1.0f, 1.0f, 1.0f);
gl_state_active_bind_texture_2d(0, reduce_texture[i].GetColorTex());
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, reduce_width[i], reduce_height[i]);
}
}
uniform_value[U_REDUCE] = 1;
shaders_ft.set(SHADER_FT_REDUCE);
void post_process_blur::get_blur() {
uniform_value[U_ALPHA_MASK] = 0;
glViewport(0, 0, 128, 72);
tex[1].Bind();
gl_state_active_bind_texture_2d(0, tex[0].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, 256, 144);
vec3 intensity = data.intensity;
vec3* gauss = data.gauss;
uniform_value[U_REDUCE] = 1;
shaders_ft.set(SHADER_FT_REDUCE);
gaussian_coef_shader_data gaussian_coef = {};
for (int32_t i = 0; i < POST_PROCESS_BLUR_GAUSSIAN_KERNEL_SIZE && i < 8; i++) {
*(vec3*)&gaussian_coef.g_coef[i] = gauss[i] * intensity;
gaussian_coef.g_coef[i].w = 0.0f;
}
glViewport(0, 0, 64, 36);
tex[2].Bind();
gl_state_active_bind_texture_2d(0, tex[1].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, 128, 72);
uniform_value[U_REDUCE] = 1;
shaders_ft.set(SHADER_FT_REDUCE);
glViewport(0, 0, 32, 18);
tex[3].Bind();
gl_state_active_bind_texture_2d(0, tex[2].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, 64, 36);
uniform_value[U_EXPOSURE] = 0;
shaders_ft.set(SHADER_FT_EXPOSURE);
glViewport(0, 0, 8, 8);
tex[4].Bind();
gl_state_active_bind_texture_2d(0, tex[3].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, 32, 18);
gaussian_coef_ubo.WriteMemory(gaussian_coef);
uniform_value[U_GAUSS] = 0;
shaders_ft.set(SHADER_FT_GAUSS);
gaussian_coef_ubo.Bind(1);
glViewport(0, 0, 128, 72);
tex[0].Bind();
gl_state_active_bind_texture_2d(0, tex[1].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, 128, 72, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f);
fbo::blit(tex[0].fbos[0], tex[1].fbos[0],
0, 0, 128, 72,
0, 0, 128, 72, GL_COLOR_BUFFER_BIT, GL_LINEAR);
downsample_texture.Bind();
for (int32_t i = 1; i < 4; i++) {
glViewport(0, 0, reduce_width[i], reduce_height[i]);
gl_state_active_bind_texture_2d(0, reduce_texture[i].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, reduce_width[i], reduce_height[i],
1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, reduce_width[i], reduce_height[i]);
}
glViewport(0, 0, 64, 36);
tex[0].Bind();
gl_state_active_bind_texture_2d(0, tex[2].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, 64, 36, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f);
fbo::blit(tex[0].fbos[0], tex[2].fbos[0],
0, 0, 64, 36,
0, 0, 64, 36, GL_COLOR_BUFFER_BIT, GL_LINEAR);
for (int32_t i = 1; i < 4; i++) {
glViewport(0, 0, reduce_width[i], reduce_height[i]);
gl_state_active_bind_texture_2d(0, reduce_texture[i].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, reduce_width[i], reduce_height[i],
1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, reduce_width[i], reduce_height[i]);
}
glViewport(0, 0, 32, 18);
tex[0].Bind();
gl_state_active_bind_texture_2d(0, tex[3].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, 32, 18);
fbo::blit(tex[0].fbos[0], tex[3].fbos[0],
0, 0, 32, 18,
0, 0, 32, 18, GL_COLOR_BUFFER_BIT, GL_LINEAR);
uniform_value[U_GAUSS] = 1;
shaders_ft.set(SHADER_FT_GAUSS);
glViewport(0, 0, 128, 72);
tex[0].Bind();
gl_state_active_bind_texture_2d(0, tex[1].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, 128, 72, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f);
fbo::blit(tex[0].fbos[0], tex[1].fbos[0],
0, 0, 128, 72,
0, 0, 128, 72, GL_COLOR_BUFFER_BIT, GL_LINEAR);
glViewport(0, 0, 64, 36);
tex[0].Bind();
gl_state_active_bind_texture_2d(0, tex[2].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, 64, 36, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f);
fbo::blit(tex[0].fbos[0], tex[2].fbos[0],
0, 0, 64, 36,
0, 0, 64, 36, GL_COLOR_BUFFER_BIT, GL_LINEAR);
glViewport(0, 0, 32, 18);
tex[0].Bind();
gl_state_active_bind_texture_2d(0, tex[3].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, 32, 18, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f);
fbo::blit(tex[0].fbos[0], tex[3].fbos[0],
0, 0, 32, 18,
0, 0, 32, 18, GL_COLOR_BUFFER_BIT, GL_LINEAR);
glViewport(0, 0, reduce_width[0], reduce_height[0]);
gl_state_active_bind_texture_2d(0, reduce_texture[0].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, reduce_width[0], reduce_height[0],
1.0f, 1.0f, 0.0f, 0.0f, 1.0f,
data.intensity.x * 0.5f, data.intensity.y * 0.5f, data.intensity.z * 0.5f, 1.0f);
uniform_value[U_REDUCE] = 7;
shaders_ft.set(SHADER_FT_REDUCE);
glViewport(0, 0, 256, 144);
tex[0].Bind();
gl_state_active_bind_texture_2d(0, tex[5].GetColorTex());
gl_state_active_bind_texture_2d(1, tex[1].GetColorTex());
gl_state_active_bind_texture_2d(2, tex[2].GetColorTex());
gl_state_active_bind_texture_2d(3, tex[3].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, 32, 18, 0.25f, 0.25f, 0.15f, 0.25f, 0.25f, 0.25f);
glViewport(0, 0, reduce_width[0], reduce_height[0]);
reduce_texture[0].Bind();
gl_state_active_bind_texture_2d(0, downsample_texture.GetColorTex());
gl_state_active_bind_texture_2d(1, reduce_texture[1].GetColorTex());
gl_state_active_bind_texture_2d(2, reduce_texture[2].GetColorTex());
gl_state_active_bind_texture_2d(3, reduce_texture[3].GetColorTex());
RenderTexture::DrawQuad(&shaders_ft, reduce_width[3], reduce_height[3],
1.0f, 1.0f, 0.0f, 0.0f, 0.25f, 0.15f, 0.25f, 0.25f, 0.25f);
}
void post_process_blur::init_fbo(int32_t width, int32_t height) {