per-pixel renderer: RTT might need bigger buffers than screen
This commit is contained in:
Flyinghead
parent
e6b8c46557
commit
99778a7715
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@ -280,9 +280,6 @@ void main(void) \n\
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void initABuffer()
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{
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g_imageWidth = (int)roundf(screen_width * settings.rend.ScreenScaling / 100.f);
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g_imageHeight = (int)roundf(screen_height * settings.rend.ScreenScaling / 100.f);
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if (g_imageWidth > 0 && g_imageHeight > 0)
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{
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if (pixels_pointers == 0)
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@ -384,7 +381,7 @@ void initABuffer()
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glcache.UseProgram(g_abuffer_clear_shader.program);
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gl4ShaderUniforms.Set(&g_abuffer_clear_shader);
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abufferDrawQuad();
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abufferDrawQuad(g_imageWidth, g_imageHeight);
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glMemoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT);
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glCheck();
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@ -432,39 +429,34 @@ void termABuffer()
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void reshapeABuffer(int w, int h)
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{
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w = (int)roundf(w * settings.rend.ScreenScaling / 100.f);
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h = (int)roundf(h * settings.rend.ScreenScaling / 100.f);
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if (w != g_imageWidth || h != g_imageHeight) {
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if (pixels_pointers != 0)
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{
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glcache.DeleteTextures(1, &pixels_pointers);
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pixels_pointers = 0;
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}
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g_imageWidth = w;
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g_imageHeight = h;
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initABuffer();
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}
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}
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void abufferDrawQuad(bool upsideDown, float x, float y, float w, float h)
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void abufferDrawQuad(float w, float h)
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{
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if (w == 0 || h == 0)
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{
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float scl = 480.f / screen_height;
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float tx = (screen_width * scl - 640.f) / 2;
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float scl = 480.f / h;
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float tx = (w * scl - 640.f) / 2;
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x = -tx;
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y = 0.f;
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w = 640.f + tx * 2;
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h = 480.f;
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}
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float x = -tx;
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float y = 0.f;
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w = 640.f + tx * 2;
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h = 480.f;
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glBindVertexArray(g_quadVertexArray);
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struct Vertex vertices[] = {
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{ x, y + h, 1, { 255, 255, 255, 255 }, { 0, 0, 0, 0 }, 0, upsideDown ? 0.f : 1.f },
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{ x, y, 1, { 255, 255, 255, 255 }, { 0, 0, 0, 0 }, 0, upsideDown ? 1.f : 0.f },
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{ x + w, y + h, 1, { 255, 255, 255, 255 }, { 0, 0, 0, 0 }, 1, upsideDown ? 0.f : 1.f },
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{ x + w, y, 1, { 255, 255, 255, 255 }, { 0, 0, 0, 0 }, 1, upsideDown ? 1.f : 0.f },
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{ x, y + h, 1, { 255, 255, 255, 255 }, { 0, 0, 0, 0 }, 0, 1.f },
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{ x, y, 1, { 255, 255, 255, 255 }, { 0, 0, 0, 0 }, 0, 0.f },
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{ x + w, y + h, 1, { 255, 255, 255, 255 }, { 0, 0, 0, 0 }, 1, 1.f },
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{ x + w, y, 1, { 255, 255, 255, 255 }, { 0, 0, 0, 0 }, 1, 0.f },
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};
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GLushort indices[] = { 0, 1, 2, 1, 3 };
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@ -574,15 +566,15 @@ void checkOverflowAndReset()
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glBufferSubData(GL_ATOMIC_COUNTER_BUFFER, 0 , sizeof(GLuint), &max_pixel_index);
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}
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void renderABuffer(bool sortFragments)
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void renderABuffer(bool sortFragments, int width, int height)
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{
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// Reset scale params to a standard 640x480 dc screen
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float scale_h = screen_height / 480.f;
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float offs_x = (screen_width - scale_h * 640.f) / 2.f;
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gl4ShaderUniforms.scale_coefs[0] = 2.f / (screen_width / scale_h);
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gl4ShaderUniforms.scale_coefs[1]= -2.f / 480.f;
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gl4ShaderUniforms.scale_coefs[2]= 1.f - 2.f * offs_x / screen_width;
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gl4ShaderUniforms.scale_coefs[3]= -1.f;
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float scale_h = height / 480.f;
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float offs_x = (width - scale_h * 640.f) / 2.f;
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gl4ShaderUniforms.scale_coefs[0] = 2.f / (width / scale_h);
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gl4ShaderUniforms.scale_coefs[1] = -2.f / 480.f;
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gl4ShaderUniforms.scale_coefs[2] = 1.f - 2.f * offs_x / width;
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gl4ShaderUniforms.scale_coefs[3] = -1.f;
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// Render to output FBO
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glcache.UseProgram(sortFragments ? g_abuffer_final_shader.program : g_abuffer_final_nosort_shader.program);
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@ -592,7 +584,7 @@ void renderABuffer(bool sortFragments)
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glcache.Disable(GL_CULL_FACE);
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glMemoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT | GL_BUFFER_UPDATE_BARRIER_BIT);
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abufferDrawQuad();
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abufferDrawQuad(width, height);
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glCheck();
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@ -601,7 +593,7 @@ void renderABuffer(bool sortFragments)
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gl4ShaderUniforms.Set(&g_abuffer_clear_shader);
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glMemoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT);
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abufferDrawQuad();
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abufferDrawQuad(width, height);
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glActiveTexture(GL_TEXTURE0);
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@ -2,7 +2,7 @@
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#include "rend/gles/gles.h"
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#include <unordered_map>
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void gl4DrawStrips(GLuint output_fbo);
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void gl4DrawStrips(GLuint output_fbo, int width, int height);
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struct gl4PipelineShader
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{
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@ -64,7 +64,7 @@ extern int screen_height;
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GLuint gl4BindRTT(u32 addy, u32 fbw, u32 fbh, u32 channels, u32 fmt);
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void gl4DrawFramebuffer(float w, float h);
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bool gl4_render_output_framebuffer();
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void abufferDrawQuad(bool upsideDown = false, float x = 0.f, float y = 0.f, float w = 0.f, float h = 0.f);
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void abufferDrawQuad(float w, float h);
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extern const char *gl4PixelPipelineShader;
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bool gl4CompilePipelineShader(gl4PipelineShader* s, bool rotate_90, const char *source = gl4PixelPipelineShader);
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@ -386,7 +386,7 @@ static void DrawModVols(int first, int count)
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glcache.DepthMask(GL_TRUE);
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}
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void renderABuffer(bool sortFragments);
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void renderABuffer(bool sortFragments, int width, int height);
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void DrawTranslucentModVols(int first, int count);
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void checkOverflowAndReset();
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@ -403,8 +403,14 @@ static GLuint CreateColorFBOTexture(int width, int height)
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return texId;
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}
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static void CreateTextures(int width, int height)
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void gl4CreateTextures(int width, int height)
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{
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if (geom_fbo == 0)
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{
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glGenFramebuffers(1, &geom_fbo);
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}
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glBindFramebuffer(GL_FRAMEBUFFER, geom_fbo);
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stencilTexId = glcache.GenTexture();
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glBindTexture(GL_TEXTURE_2D, stencilTexId); glCheck();
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glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_STENCIL_TEXTURE_MODE, GL_STENCIL_INDEX); // OpenGL >= 4.3
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@ -425,31 +431,16 @@ static void CreateTextures(int width, int height)
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glCheck();
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GLuint uStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER);
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verify(uStatus == GL_FRAMEBUFFER_COMPLETE);
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}
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void gl4DrawStrips(GLuint output_fbo)
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void gl4DrawStrips(GLuint output_fbo, int width, int height)
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{
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checkOverflowAndReset();
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int scaled_width = (int)roundf(screen_width * settings.rend.ScreenScaling / 100.f);
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int scaled_height = (int)roundf(screen_height * settings.rend.ScreenScaling / 100.f);
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if (geom_fbo == 0)
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{
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glGenFramebuffers(1, &geom_fbo);
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glBindFramebuffer(GL_FRAMEBUFFER, geom_fbo);
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CreateTextures(scaled_width, scaled_height);
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GLuint uStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER);
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verify(uStatus == GL_FRAMEBUFFER_COMPLETE);
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}
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else
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{
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glBindFramebuffer(GL_FRAMEBUFFER, geom_fbo);
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if (stencilTexId == 0)
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CreateTextures(scaled_width, scaled_height);
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}
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glBindFramebuffer(GL_FRAMEBUFFER, geom_fbo);
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if (texSamplers[0] == 0)
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glGenSamplers(2, texSamplers);
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@ -514,14 +505,14 @@ void gl4DrawStrips(GLuint output_fbo)
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glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_STENCIL_TEXTURE_MODE, GL_DEPTH_COMPONENT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH32F_STENCIL8, scaled_width, scaled_height, 0, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, NULL); glCheck();
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glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH32F_STENCIL8, width, height, 0, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, NULL); glCheck();
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, depthSaveTexId, 0); glCheck();
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}
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GLuint uStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER);
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verify(uStatus == GL_FRAMEBUFFER_COMPLETE);
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glBindFramebuffer(GL_READ_FRAMEBUFFER, geom_fbo);
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glBlitFramebuffer(0, 0, scaled_width, scaled_height, 0, 0, scaled_width, scaled_height, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
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glBlitFramebuffer(0, 0, width, height, 0, 0, width, height, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
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glCheck();
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glBindFramebuffer(GL_FRAMEBUFFER, geom_fbo);
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@ -553,7 +544,7 @@ void gl4DrawStrips(GLuint output_fbo)
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// FIXME This is pretty slow apparently (CS)
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glBindFramebuffer(GL_DRAW_FRAMEBUFFER, geom_fbo);
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glBindFramebuffer(GL_READ_FRAMEBUFFER, depth_fbo);
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glBlitFramebuffer(0, 0, scaled_width, scaled_height, 0, 0, scaled_width, scaled_height, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
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glBlitFramebuffer(0, 0, width, height, 0, 0, width, height, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
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glCheck();
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glBindFramebuffer(GL_FRAMEBUFFER, geom_fbo);
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}
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@ -621,7 +612,7 @@ void gl4DrawStrips(GLuint output_fbo)
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//
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// PASS 3c: Render a-buffer to temporary texture
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//
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GLuint texId = CreateColorFBOTexture(scaled_width, scaled_height);
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GLuint texId = CreateColorFBOTexture(width, height);
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glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
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@ -629,7 +620,7 @@ void gl4DrawStrips(GLuint output_fbo)
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glBindSampler(0, 0);
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glBindTexture(GL_TEXTURE_2D, opaqueTexId);
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renderABuffer(current_pass.autosort);
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renderABuffer(current_pass.autosort, width, height);
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glcache.DeleteTextures(1, &opaqueTexId);
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opaqueTexId = texId;
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@ -657,10 +648,10 @@ void gl4DrawStrips(GLuint output_fbo)
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glActiveTexture(GL_TEXTURE0);
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glBindSampler(0, 0);
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glBindTexture(GL_TEXTURE_2D, opaqueTexId);
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renderABuffer(previous_pass.autosort);
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renderABuffer(previous_pass.autosort, width, height);
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}
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static void gl4_draw_quad_texture(GLuint texture, bool upsideDown, float x = 0.f, float y = 0.f, float w = 0.f, float h = 0.f)
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static void gl4_draw_quad_texture(GLuint texture, float w, float h)
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{
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glcache.Disable(GL_SCISSOR_TEST);
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glcache.Disable(GL_DEPTH_TEST);
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@ -690,12 +681,12 @@ static void gl4_draw_quad_texture(GLuint texture, bool upsideDown, float x = 0.f
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D, texture);
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abufferDrawQuad(upsideDown, x, y, w, h);
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abufferDrawQuad(w, h);
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}
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void gl4DrawFramebuffer(float w, float h)
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{
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gl4_draw_quad_texture(fbTextureId, false, 0, 0, w, h);
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gl4_draw_quad_texture(fbTextureId, w, h);
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glcache.DeleteTextures(1, &fbTextureId);
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fbTextureId = 0;
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}
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@ -561,6 +561,8 @@ static bool gl_create_resources()
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//setup
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extern void initABuffer();
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void reshapeABuffer(int width, int height);
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extern void gl4CreateTextures(int width, int height);
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static bool gles_init()
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{
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@ -610,15 +612,41 @@ static bool gles_init()
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return true;
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}
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static void resize(int w, int h)
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{
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static int cur_width, cur_height;
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if (w > cur_width || h > cur_height || stencilTexId == 0)
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{
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cur_width = w;
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cur_height = h;
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if (stencilTexId != 0)
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{
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glcache.DeleteTextures(1, &stencilTexId);
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stencilTexId = 0;
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}
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if (depthTexId != 0)
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{
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glcache.DeleteTextures(1, &depthTexId);
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depthTexId = 0;
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}
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if (opaqueTexId != 0)
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{
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glcache.DeleteTextures(1, &opaqueTexId);
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opaqueTexId = 0;
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}
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if (depthSaveTexId != 0)
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{
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glcache.DeleteTextures(1, &depthSaveTexId);
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depthSaveTexId = 0;
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}
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gl4CreateTextures(w, h);
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reshapeABuffer(w, h);
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}
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}
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static bool RenderFrame()
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{
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static int old_screen_width, old_screen_height, old_screen_scaling;
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if (screen_width != old_screen_width || screen_height != old_screen_height || settings.rend.ScreenScaling != old_screen_scaling) {
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rend_resize(screen_width, screen_height);
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old_screen_width = screen_width;
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old_screen_height = screen_height;
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old_screen_scaling = settings.rend.ScreenScaling;
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}
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DoCleanup();
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create_modvol_shader();
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@ -687,12 +715,17 @@ static bool RenderFrame()
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float dc2s_scale_h;
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float ds2s_offs_x;
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int rendering_width;
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int rendering_height;
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if (is_rtt)
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{
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gl4ShaderUniforms.scale_coefs[0] = 2.0f / dc_width;
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gl4ShaderUniforms.scale_coefs[1] = 2.0f / dc_height; // FIXME CT2 needs 480 here instead of dc_height=512
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gl4ShaderUniforms.scale_coefs[2] = 1;
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gl4ShaderUniforms.scale_coefs[3] = 1;
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int scaling = settings.rend.RenderToTextureBuffer ? 1 : settings.rend.RenderToTextureUpscale;
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rendering_width = dc_width * scaling;
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rendering_height = dc_height * scaling;
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}
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else
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{
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@ -715,7 +748,10 @@ static bool RenderFrame()
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gl4ShaderUniforms.scale_coefs[2] = 1 - 2 * ds2s_offs_x / screen_width;
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gl4ShaderUniforms.scale_coefs[3] = -1;
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}
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rendering_width = screen_width * screen_scaling + 0.5f;
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rendering_height = screen_height * screen_scaling + 0.5f;
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}
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resize(rendering_width, rendering_height);
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gl4ShaderUniforms.extra_depth_scale = settings.rend.ExtraDepthScale;
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@ -808,7 +844,7 @@ static bool RenderFrame()
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{
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if (settings.rend.ScreenScaling != 100 || gl.swap_buffer_not_preserved)
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{
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output_fbo = init_output_framebuffer(screen_width * screen_scaling + 0.5f, screen_height * screen_scaling + 0.5f);
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output_fbo = init_output_framebuffer(rendering_width, rendering_width);
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}
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else
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{
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@ -820,9 +856,9 @@ static bool RenderFrame()
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bool wide_screen_on = !is_rtt && settings.rend.WideScreen
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&& pvrrc.fb_X_CLIP.min == 0
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&& (pvrrc.fb_X_CLIP.max + 1) / scale_x == 640
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&& int((pvrrc.fb_X_CLIP.max + 1) / scale_x + 0.5f) == 640
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&& pvrrc.fb_Y_CLIP.min == 0
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&& (pvrrc.fb_Y_CLIP.max + 1) / scale_y == 480;
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&& int((pvrrc.fb_Y_CLIP.max + 1) / scale_y + 0.5f) == 480;
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//Color is cleared by the background plane
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@ -898,9 +934,9 @@ static bool RenderFrame()
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glcache.ClearColor(0.f, 0.f, 0.f, 0.f);
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glcache.Enable(GL_SCISSOR_TEST);
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glScissor(0, 0, scaled_offs_x + 0.5f, screen_height * screen_scaling + 0.5f);
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glScissor(0, 0, scaled_offs_x + 0.5f, rendering_height);
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glClear(GL_COLOR_BUFFER_BIT);
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glScissor(screen_width * screen_scaling - scaled_offs_x + 0.5f, 0, scaled_offs_x + 1.f, screen_height * screen_scaling + 0.5f);
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glScissor(screen_width * screen_scaling - scaled_offs_x + 0.5f, 0, scaled_offs_x + 1.f, rendering_height);
|
||||
glClear(GL_COLOR_BUFFER_BIT);
|
||||
}
|
||||
}
|
||||
|
|
@ -918,7 +954,7 @@ static bool RenderFrame()
|
|||
|
||||
//restore scale_x
|
||||
scale_x /= scissoring_scale_x;
|
||||
gl4DrawStrips(output_fbo);
|
||||
gl4DrawStrips(output_fbo, rendering_width, rendering_height);
|
||||
}
|
||||
else
|
||||
{
|
||||
|
|
@ -952,27 +988,7 @@ struct gl4rend : Renderer
|
|||
{
|
||||
screen_width=w;
|
||||
screen_height=h;
|
||||
if (stencilTexId != 0)
|
||||
{
|
||||
glcache.DeleteTextures(1, &stencilTexId);
|
||||
stencilTexId = 0;
|
||||
}
|
||||
if (depthTexId != 0)
|
||||
{
|
||||
glcache.DeleteTextures(1, &depthTexId);
|
||||
depthTexId = 0;
|
||||
}
|
||||
if (opaqueTexId != 0)
|
||||
{
|
||||
glcache.DeleteTextures(1, &opaqueTexId);
|
||||
opaqueTexId = 0;
|
||||
}
|
||||
if (depthSaveTexId != 0)
|
||||
{
|
||||
glcache.DeleteTextures(1, &depthSaveTexId);
|
||||
depthSaveTexId = 0;
|
||||
}
|
||||
reshapeABuffer(w, h);
|
||||
resize(w * settings.rend.ScreenScaling / 100.f + 0.5f, h * settings.rend.ScreenScaling / 100.f + 0.5f);
|
||||
}
|
||||
void Term()
|
||||
{
|
||||
|
|
|
|||
|
|
@ -1924,9 +1924,9 @@ bool RenderFrame()
|
|||
|
||||
bool wide_screen_on = !is_rtt && settings.rend.WideScreen
|
||||
&& pvrrc.fb_X_CLIP.min == 0
|
||||
&& (pvrrc.fb_X_CLIP.max + 1) / scale_x == 640
|
||||
&& int((pvrrc.fb_X_CLIP.max + 1) / scale_x + 0.5f) == 640
|
||||
&& pvrrc.fb_Y_CLIP.min == 0
|
||||
&& (pvrrc.fb_Y_CLIP.max + 1) / scale_y == 480;
|
||||
&& int((pvrrc.fb_Y_CLIP.max + 1) / scale_y + 0.5f) == 480;
|
||||
|
||||
//Color is cleared by the background plane
|
||||
|
||||
|
|
|
|||
|
|
@ -482,7 +482,7 @@ void BindRTT(u32 addy, u32 fbw, u32 fbh, u32 channels, u32 fmt)
|
|||
|
||||
gl.rtt.TexAddr=addy>>3;
|
||||
|
||||
// Find the smallest power of two texture that fits into the viewport
|
||||
// Find the smallest power of two texture that fits the viewport
|
||||
int fbh2 = 2;
|
||||
while (fbh2 < fbh)
|
||||
fbh2 *= 2;
|
||||
|
|
|
|||
Loading…
Reference in New Issue