diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_shaders.h')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shaders.h | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/src/video_core/renderer_opengl/gl_shaders.h b/src/video_core/renderer_opengl/gl_shaders.h deleted file mode 100644 index 2ba2c6b0f..000000000 --- a/src/video_core/renderer_opengl/gl_shaders.h +++ /dev/null @@ -1,339 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -namespace GLShaders { - -const char g_vertex_shader[] = R"( -#version 150 core - -in vec2 vert_position; -in vec2 vert_tex_coord; -out vec2 frag_tex_coord; - -// This is a truncated 3x3 matrix for 2D transformations: -// The upper-left 2x2 submatrix performs scaling/rotation/mirroring. -// The third column performs translation. -// The third row could be used for projection, which we don't need in 2D. It hence is assumed to -// implicitly be [0, 0, 1] -uniform mat3x2 modelview_matrix; - -void main() { - // Multiply input position by the rotscale part of the matrix and then manually translate by - // the last column. This is equivalent to using a full 3x3 matrix and expanding the vector - // to `vec3(vert_position.xy, 1.0)` - gl_Position = vec4(mat2(modelview_matrix) * vert_position + modelview_matrix[2], 0.0, 1.0); - frag_tex_coord = vert_tex_coord; -} -)"; - -const char g_fragment_shader[] = R"( -#version 150 core - -in vec2 frag_tex_coord; -out vec4 color; - -uniform sampler2D color_texture; - -void main() { - color = texture(color_texture, frag_tex_coord); -} -)"; - -const char g_vertex_shader_hw[] = R"( -#version 150 core - -#define NUM_VTX_ATTR 7 - -in vec4 vert_position; -in vec4 vert_color; -in vec2 vert_texcoords0; -in vec2 vert_texcoords1; -in vec2 vert_texcoords2; - -out vec4 o[NUM_VTX_ATTR]; - -void main() { - o[2] = vert_color; - o[3] = vec4(vert_texcoords0.xy, vert_texcoords1.xy); - o[5] = vec4(0.0, 0.0, vert_texcoords2.xy); - - gl_Position = vec4(vert_position.x, -vert_position.y, -vert_position.z, vert_position.w); -} -)"; - -// TODO: Create a shader constructor and cache that builds this program with minimal conditionals instead of using tev_cfg uniforms -const char g_fragment_shader_hw[] = R"( -#version 150 core - -#define NUM_VTX_ATTR 7 -#define NUM_TEV_STAGES 6 - -#define SOURCE_PRIMARYCOLOR 0x0 -#define SOURCE_PRIMARYFRAGMENTCOLOR 0x1 -#define SOURCE_SECONDARYFRAGMENTCOLOR 0x2 -#define SOURCE_TEXTURE0 0x3 -#define SOURCE_TEXTURE1 0x4 -#define SOURCE_TEXTURE2 0x5 -#define SOURCE_TEXTURE3 0x6 -#define SOURCE_PREVIOUSBUFFER 0xd -#define SOURCE_CONSTANT 0xe -#define SOURCE_PREVIOUS 0xf - -#define COLORMODIFIER_SOURCECOLOR 0x0 -#define COLORMODIFIER_ONEMINUSSOURCECOLOR 0x1 -#define COLORMODIFIER_SOURCEALPHA 0x2 -#define COLORMODIFIER_ONEMINUSSOURCEALPHA 0x3 -#define COLORMODIFIER_SOURCERED 0x4 -#define COLORMODIFIER_ONEMINUSSOURCERED 0x5 -#define COLORMODIFIER_SOURCEGREEN 0x8 -#define COLORMODIFIER_ONEMINUSSOURCEGREEN 0x9 -#define COLORMODIFIER_SOURCEBLUE 0xc -#define COLORMODIFIER_ONEMINUSSOURCEBLUE 0xd - -#define ALPHAMODIFIER_SOURCEALPHA 0x0 -#define ALPHAMODIFIER_ONEMINUSSOURCEALPHA 0x1 -#define ALPHAMODIFIER_SOURCERED 0x2 -#define ALPHAMODIFIER_ONEMINUSSOURCERED 0x3 -#define ALPHAMODIFIER_SOURCEGREEN 0x4 -#define ALPHAMODIFIER_ONEMINUSSOURCEGREEN 0x5 -#define ALPHAMODIFIER_SOURCEBLUE 0x6 -#define ALPHAMODIFIER_ONEMINUSSOURCEBLUE 0x7 - -#define OPERATION_REPLACE 0 -#define OPERATION_MODULATE 1 -#define OPERATION_ADD 2 -#define OPERATION_ADDSIGNED 3 -#define OPERATION_LERP 4 -#define OPERATION_SUBTRACT 5 -#define OPERATION_MULTIPLYTHENADD 8 -#define OPERATION_ADDTHENMULTIPLY 9 - -#define COMPAREFUNC_NEVER 0 -#define COMPAREFUNC_ALWAYS 1 -#define COMPAREFUNC_EQUAL 2 -#define COMPAREFUNC_NOTEQUAL 3 -#define COMPAREFUNC_LESSTHAN 4 -#define COMPAREFUNC_LESSTHANOREQUAL 5 -#define COMPAREFUNC_GREATERTHAN 6 -#define COMPAREFUNC_GREATERTHANOREQUAL 7 - -in vec4 o[NUM_VTX_ATTR]; -out vec4 color; - -uniform bool alphatest_enabled; -uniform int alphatest_func; -uniform float alphatest_ref; - -uniform sampler2D tex[3]; - -uniform vec4 tev_combiner_buffer_color; - -struct TEVConfig -{ - bool enabled; - ivec3 color_sources; - ivec3 alpha_sources; - ivec3 color_modifiers; - ivec3 alpha_modifiers; - ivec2 color_alpha_op; - ivec2 color_alpha_multiplier; - vec4 const_color; - bvec2 updates_combiner_buffer_color_alpha; -}; - -uniform TEVConfig tev_cfgs[NUM_TEV_STAGES]; - -vec4 g_combiner_buffer; -vec4 g_last_tex_env_out; -vec4 g_const_color; - -vec4 GetSource(int source) { - if (source == SOURCE_PRIMARYCOLOR) { - return o[2]; - } else if (source == SOURCE_PRIMARYFRAGMENTCOLOR) { - // HACK: Until we implement fragment lighting, use primary_color - return o[2]; - } else if (source == SOURCE_SECONDARYFRAGMENTCOLOR) { - // HACK: Until we implement fragment lighting, use zero - return vec4(0.0, 0.0, 0.0, 0.0); - } else if (source == SOURCE_TEXTURE0) { - return texture(tex[0], o[3].xy); - } else if (source == SOURCE_TEXTURE1) { - return texture(tex[1], o[3].zw); - } else if (source == SOURCE_TEXTURE2) { - // TODO: Unverified - return texture(tex[2], o[5].zw); - } else if (source == SOURCE_TEXTURE3) { - // TODO: no 4th texture? - } else if (source == SOURCE_PREVIOUSBUFFER) { - return g_combiner_buffer; - } else if (source == SOURCE_CONSTANT) { - return g_const_color; - } else if (source == SOURCE_PREVIOUS) { - return g_last_tex_env_out; - } - - return vec4(0.0); -} - -vec3 GetColorModifier(int factor, vec4 color) { - if (factor == COLORMODIFIER_SOURCECOLOR) { - return color.rgb; - } else if (factor == COLORMODIFIER_ONEMINUSSOURCECOLOR) { - return vec3(1.0) - color.rgb; - } else if (factor == COLORMODIFIER_SOURCEALPHA) { - return color.aaa; - } else if (factor == COLORMODIFIER_ONEMINUSSOURCEALPHA) { - return vec3(1.0) - color.aaa; - } else if (factor == COLORMODIFIER_SOURCERED) { - return color.rrr; - } else if (factor == COLORMODIFIER_ONEMINUSSOURCERED) { - return vec3(1.0) - color.rrr; - } else if (factor == COLORMODIFIER_SOURCEGREEN) { - return color.ggg; - } else if (factor == COLORMODIFIER_ONEMINUSSOURCEGREEN) { - return vec3(1.0) - color.ggg; - } else if (factor == COLORMODIFIER_SOURCEBLUE) { - return color.bbb; - } else if (factor == COLORMODIFIER_ONEMINUSSOURCEBLUE) { - return vec3(1.0) - color.bbb; - } - - return vec3(0.0); -} - -float GetAlphaModifier(int factor, vec4 color) { - if (factor == ALPHAMODIFIER_SOURCEALPHA) { - return color.a; - } else if (factor == ALPHAMODIFIER_ONEMINUSSOURCEALPHA) { - return 1.0 - color.a; - } else if (factor == ALPHAMODIFIER_SOURCERED) { - return color.r; - } else if (factor == ALPHAMODIFIER_ONEMINUSSOURCERED) { - return 1.0 - color.r; - } else if (factor == ALPHAMODIFIER_SOURCEGREEN) { - return color.g; - } else if (factor == ALPHAMODIFIER_ONEMINUSSOURCEGREEN) { - return 1.0 - color.g; - } else if (factor == ALPHAMODIFIER_SOURCEBLUE) { - return color.b; - } else if (factor == ALPHAMODIFIER_ONEMINUSSOURCEBLUE) { - return 1.0 - color.b; - } - - return 0.0; -} - -vec3 ColorCombine(int op, vec3 color[3]) { - if (op == OPERATION_REPLACE) { - return color[0]; - } else if (op == OPERATION_MODULATE) { - return color[0] * color[1]; - } else if (op == OPERATION_ADD) { - return min(color[0] + color[1], 1.0); - } else if (op == OPERATION_ADDSIGNED) { - return clamp(color[0] + color[1] - vec3(0.5), 0.0, 1.0); - } else if (op == OPERATION_LERP) { - return color[0] * color[2] + color[1] * (vec3(1.0) - color[2]); - } else if (op == OPERATION_SUBTRACT) { - return max(color[0] - color[1], 0.0); - } else if (op == OPERATION_MULTIPLYTHENADD) { - return min(color[0] * color[1] + color[2], 1.0); - } else if (op == OPERATION_ADDTHENMULTIPLY) { - return min(color[0] + color[1], 1.0) * color[2]; - } - - return vec3(0.0); -} - -float AlphaCombine(int op, float alpha[3]) { - if (op == OPERATION_REPLACE) { - return alpha[0]; - } else if (op == OPERATION_MODULATE) { - return alpha[0] * alpha[1]; - } else if (op == OPERATION_ADD) { - return min(alpha[0] + alpha[1], 1.0); - } else if (op == OPERATION_ADDSIGNED) { - return clamp(alpha[0] + alpha[1] - 0.5, 0.0, 1.0); - } else if (op == OPERATION_LERP) { - return alpha[0] * alpha[2] + alpha[1] * (1.0 - alpha[2]); - } else if (op == OPERATION_SUBTRACT) { - return max(alpha[0] - alpha[1], 0.0); - } else if (op == OPERATION_MULTIPLYTHENADD) { - return min(alpha[0] * alpha[1] + alpha[2], 1.0); - } else if (op == OPERATION_ADDTHENMULTIPLY) { - return min(alpha[0] + alpha[1], 1.0) * alpha[2]; - } - - return 0.0; -} - -void main(void) { - g_combiner_buffer = tev_combiner_buffer_color; - - for (int tex_env_idx = 0; tex_env_idx < NUM_TEV_STAGES; ++tex_env_idx) { - if (tev_cfgs[tex_env_idx].enabled) { - g_const_color = tev_cfgs[tex_env_idx].const_color; - - vec3 color_results[3] = vec3[3](GetColorModifier(tev_cfgs[tex_env_idx].color_modifiers.x, GetSource(tev_cfgs[tex_env_idx].color_sources.x)), - GetColorModifier(tev_cfgs[tex_env_idx].color_modifiers.y, GetSource(tev_cfgs[tex_env_idx].color_sources.y)), - GetColorModifier(tev_cfgs[tex_env_idx].color_modifiers.z, GetSource(tev_cfgs[tex_env_idx].color_sources.z))); - vec3 color_output = ColorCombine(tev_cfgs[tex_env_idx].color_alpha_op.x, color_results); - - float alpha_results[3] = float[3](GetAlphaModifier(tev_cfgs[tex_env_idx].alpha_modifiers.x, GetSource(tev_cfgs[tex_env_idx].alpha_sources.x)), - GetAlphaModifier(tev_cfgs[tex_env_idx].alpha_modifiers.y, GetSource(tev_cfgs[tex_env_idx].alpha_sources.y)), - GetAlphaModifier(tev_cfgs[tex_env_idx].alpha_modifiers.z, GetSource(tev_cfgs[tex_env_idx].alpha_sources.z))); - float alpha_output = AlphaCombine(tev_cfgs[tex_env_idx].color_alpha_op.y, alpha_results); - - g_last_tex_env_out = vec4(min(color_output * tev_cfgs[tex_env_idx].color_alpha_multiplier.x, 1.0), min(alpha_output * tev_cfgs[tex_env_idx].color_alpha_multiplier.y, 1.0)); - } - - if (tev_cfgs[tex_env_idx].updates_combiner_buffer_color_alpha.x) { - g_combiner_buffer.rgb = g_last_tex_env_out.rgb; - } - - if (tev_cfgs[tex_env_idx].updates_combiner_buffer_color_alpha.y) { - g_combiner_buffer.a = g_last_tex_env_out.a; - } - } - - if (alphatest_enabled) { - if (alphatest_func == COMPAREFUNC_NEVER) { - discard; - } else if (alphatest_func == COMPAREFUNC_ALWAYS) { - - } else if (alphatest_func == COMPAREFUNC_EQUAL) { - if (g_last_tex_env_out.a != alphatest_ref) { - discard; - } - } else if (alphatest_func == COMPAREFUNC_NOTEQUAL) { - if (g_last_tex_env_out.a == alphatest_ref) { - discard; - } - } else if (alphatest_func == COMPAREFUNC_LESSTHAN) { - if (g_last_tex_env_out.a >= alphatest_ref) { - discard; - } - } else if (alphatest_func == COMPAREFUNC_LESSTHANOREQUAL) { - if (g_last_tex_env_out.a > alphatest_ref) { - discard; - } - } else if (alphatest_func == COMPAREFUNC_GREATERTHAN) { - if (g_last_tex_env_out.a <= alphatest_ref) { - discard; - } - } else if (alphatest_func == COMPAREFUNC_GREATERTHANOREQUAL) { - if (g_last_tex_env_out.a < alphatest_ref) { - discard; - } - } - } - - color = g_last_tex_env_out; -} -)"; - -} |