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[client] egl: allow setting an output scale for a post-process shader

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This commit is contained in:
Geoffrey McRae 2021-08-09 17:48:07 +10:00
parent 53461d7515
commit f7f8060447
2 changed files with 14 additions and 5 deletions
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16
client/renderers/EGL/texture.c
View File

@ -42,6 +42,9 @@ typedef struct RenderStep
GLuint fb; GLuint fb;
GLuint tex; GLuint tex;
EGL_Shader * shader; EGL_Shader * shader;
float scale;
unsigned int width, height;
} }
RenderStep; RenderStep;
@ -117,12 +120,15 @@ void egl_textureFree(EGL_Texture ** tex)
bool setupRenderStep(EGL_Texture * this, RenderStep * step) bool setupRenderStep(EGL_Texture * this, RenderStep * step)
{ {
step->width = this->format.width * step->scale;
step->height = this->format.height * step->scale;
glBindTexture(GL_TEXTURE_2D, step->tex); glBindTexture(GL_TEXTURE_2D, step->tex);
glTexImage2D(GL_TEXTURE_2D, glTexImage2D(GL_TEXTURE_2D,
0, 0,
this->format.intFormat, this->format.intFormat,
this->format.width, step->width,
this->format.height, step->height,
0, 0,
this->format.format, this->format.format,
this->format.dataType, this->format.dataType,
@ -292,7 +298,7 @@ enum EGL_TexStatus egl_textureBind(EGL_Texture * this)
else else
glBindFramebuffer(GL_FRAMEBUFFER, step->fb); glBindFramebuffer(GL_FRAMEBUFFER, step->fb);
glViewport(0, 0, this->format.width, this->format.height); glViewport(0, 0, step->width, step->height);
egl_shaderUse(step->shader); egl_shaderUse(step->shader);
egl_modelRender(this->model); egl_modelRender(this->model);
@ -319,7 +325,8 @@ enum EGL_TexStatus egl_textureBind(EGL_Texture * this)
return EGL_TEX_STATUS_OK; return EGL_TEX_STATUS_OK;
} }
enum EGL_TexStatus egl_textureAddShader(EGL_Texture * this, EGL_Shader * shader) enum EGL_TexStatus egl_textureAddShader(EGL_Texture * this, EGL_Shader * shader,
float outputScale)
{ {
if (!this->render) if (!this->render)
{ {
@ -331,6 +338,7 @@ enum EGL_TexStatus egl_textureAddShader(EGL_Texture * this, EGL_Shader * shader)
RenderStep * step = calloc(1, sizeof(*step)); RenderStep * step = calloc(1, sizeof(*step));
glGenTextures(1, &step->tex); glGenTextures(1, &step->tex);
step->shader = shader; step->shader = shader;
step->scale = outputScale;
if (this->formatValid) if (this->formatValid)
if (!setupRenderStep(this, step)) if (!setupRenderStep(this, step))

3
client/renderers/EGL/texture.h
View File

@ -166,4 +166,5 @@ enum EGL_TexStatus egl_textureProcess(EGL_Texture * texture);
enum EGL_TexStatus egl_textureBind(EGL_Texture * texture); enum EGL_TexStatus egl_textureBind(EGL_Texture * texture);
enum EGL_TexStatus egl_textureAddShader(EGL_Texture * texture, EGL_Shader * shader); enum EGL_TexStatus egl_textureAddShader(EGL_Texture * texture,
EGL_Shader * shader, float outputScale);