forked from 12to11/12to11
f2e3baad45
* 12to11.c (HandleCmdline): Handle `-xrm'. (XLMain): Initialize single pixel buffers. * 12to11.man: Improve documentation. * Imakefile (SRCS): Add single_pixel_buffer.c. (OBJS): Add single_pixel_buffer.o. (single-pixel-buffer-v1): Add new scanner target. * README: Document new supported protocol. * compositor.h (struct _BufferFuncs): Add single pixel buffer functions. * egl.c (enum _EglBufferType): New buffer type. (struct _EglSinglePixelBuffer): New struct. (struct _EglBuffr): Add EglSinglePixelBuffer. (struct _CompositeProgram): Add source_color uniform. (EglCompileCompositeProgram): Look for both uniforms. (EglCompileShaders): Compile single pixel shader. (FindProgram, GetTextureTarget, Composite, UpdateTexture) (EnsureTexture, UpdateBuffer): Handle single pixel buffers. (BufferFromSinglePixel, FreeSinglePixelBuffer): New functions. (egl_buffer_funcs): Add new buffer functions. * picture_renderer.c (BufferFromSinglePixel, FreeSinglePixelBuffer): New functions. (picture_buffer_funcs): Add new buffer functions. * renderer.c (RenderBufferFromSinglePixel) (RenderUpdateBufferForDamage): New functions. (ReadRendererResource, PickRenderer): Read resource if no environment variable was specified. * shaders.txt (Composite Rectangle Fragment Shader Single Pixel): New shader. * text_input.c (struct _TextInput, UpdatePreedit) (PreeditStartCallback, PreeditCaretCallback): Correctly handle caret types and style. (XLInitTextInput): Fix failure message.
133 lines
2.5 KiB
GLSL
133 lines
2.5 KiB
GLSL
// -*- glsl -*-
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// File containing GLSL shaders used to generate shaders.h.
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// At the start of each shader, write // followed by two equals signs,
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// followed by a space, the name of the shader and a newline.
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// Following that, write the shader code.
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// To terminate a shader, write // followed by another two equals
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// signs, this time without a trailing name or whitespace.
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//== Clear Rectangle Vertex Shader
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attribute vec2 pos;
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void
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main (void)
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{
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gl_Position = vec4 (pos.x, pos.y, 1.0, 1.0);
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}
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//==
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//== Clear Rectangle Fragment Shader
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void
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main (void)
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{
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gl_FragColor = vec4 (0.0, 0.0, 0.0, 0.0);
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}
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//==
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//== Composite Rectangle Vertex Shader
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attribute vec2 pos;
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attribute vec2 texcoord;
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varying vec2 v_texcoord;
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uniform mat3 source;
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void
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main (void)
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{
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gl_Position = vec4 (pos.x, pos.y, 1.0, 1.0);
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v_texcoord = (source * vec3 (texcoord, 1.0)).xy;
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}
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//==
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//== Composite Rectangle Fragment Shader RGBA
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precision mediump float;
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uniform sampler2D texture;
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uniform bool invert_y;
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varying vec2 v_texcoord;
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void
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main (void)
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{
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vec2 texcoord;
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texcoord = v_texcoord;
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if (invert_y)
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texcoord = vec2 (texcoord.x, 1.0 - texcoord.y);
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gl_FragColor = texture2D (texture, texcoord);
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}
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//==
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//== Composite Rectangle Fragment Shader RGBX
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precision mediump float;
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uniform sampler2D texture;
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uniform mat3 source;
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uniform bool invert_y;
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varying vec2 v_texcoord;
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void
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main (void)
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{
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vec2 texcoord;
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texcoord = v_texcoord;
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if (invert_y)
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texcoord = vec2 (texcoord.x, 1.0 - texcoord.y);
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gl_FragColor = vec4 (texture2D (texture, texcoord).rgb, 1.0);
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}
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//==
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//== Composite Rectangle Fragment Shader External
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#extension GL_OES_EGL_image_external : require
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precision mediump float;
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uniform samplerExternalOES texture;
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uniform mat3 source;
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uniform bool invert_y;
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varying vec2 v_texcoord;
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void
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main (void)
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{
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vec2 texcoord;
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texcoord = v_texcoord;
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if (invert_y)
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texcoord = vec2 (texcoord.x, 1.0 - texcoord.y);
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gl_FragColor = texture2D (texture, texcoord);
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}
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//==
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//== Composite Rectangle Fragment Shader Single Pixel
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#extension GL_OES_EGL_image_external : require
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precision mediump float;
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uniform vec4 source_color;
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uniform mat3 source;
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uniform bool invert_y;
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varying vec2 v_texcoord;
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void
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main (void)
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{
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vec2 texcoord;
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texcoord = v_texcoord;
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if (invert_y)
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texcoord = vec2 (texcoord.x, 1.0 - texcoord.y);
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if (texcoord.x < 0.0 || texcoord.y < 0.0
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|| texcoord.x > 1.0 || texcoord.y > 1.0)
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gl_FragColor = vec4 (0.0, 0.0, 0.0, 0.0);
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else
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gl_FragColor = source_color;
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}
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//==
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