mirror of
https://github.com/open-goal/jak-project
synced 2026-06-22 17:13:01 -04:00
water111
a6fa04a83d
* temp * name the obvious ones * un-pipelined the fast case in generic vu1 * generic2 dma * pass2 * first pass at opengl * many fixes * fix hud, strip * windows fix * final tweaks * memcard folder * add missing include
89 lines
2.4 KiB
GLSL
89 lines
2.4 KiB
GLSL
#version 430 core
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layout (location = 0) in vec3 position_in;
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layout (location = 1) in vec4 rgba_in;
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layout (location = 2) in vec2 tex_coord_in;
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layout (location = 3) in uvec4 byte_info;
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uniform float mat_32;
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uniform vec3 fog_constants;
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uniform vec4 scale;
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uniform float mat_23;
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uniform float mat_33;
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uniform vec4 hvdf_offset;
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out vec2 tex_coord;
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out vec4 fragment_color;
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out float fog;
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out flat uvec2 tex_info;
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void main() {
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// lq.xy vf22, 0(vi10) texture load?
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// lq_buffer(Mask::xy, vu.vf22, vu.vi10);
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// lq.xyz vf16, 2(vi10) vertex load
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// lq_buffer(Mask::xyz, gen.vtx_load0, vu.vi10 + 2);
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// mtir vi02, vf22.x grab s coordinate of texture
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// vu.vi02 = vu.vf22.x_as_u16();
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// mulaw.xyzw ACC, vf11, vf00 matrix multiply W
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// vu.acc.mula(Mask::xyzw, gen.mat3, vu.vf00.w());
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vec4 transformed;
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// maddax.xyzw ACC, vf08, vf16 matrix multiply X
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// vu.acc.madda(Mask::xyzw, gen.mat0, gen.vtx_load0.x());
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transformed.xyz = position_in * scale.xyz;
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transformed.z += mat_32;
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transformed.w = mat_23 * position_in.z + mat_33;
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transformed *= -1; // todo?
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// div Q, vf01.x, vf12.w perspective divide
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// vu.Q = gen.fog.x() / gen.vtx_p0.w();
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float Q = fog_constants.x / transformed.w;
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float fog1 = -transformed.w + hvdf_offset.w;
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float fog2 = min(fog1, fog_constants.z);
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float fog3 = max(fog2, fog_constants.y);
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fog = 1 - (fog3/256);
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// itof12.xyz vf18, vf22 texture int to float
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// vu.vf18.itof12(Mask::xyz, vu.vf22);
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tex_coord = tex_coord_in / 4096.f; // TODO, more and wrong.
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// mul.xyz vf12, vf12, Q persepective divide
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// gen.vtx_p0.mul(Mask::xyz, gen.vtx_p0, vu.Q);
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transformed.xyz *= Q;
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// mul.xyz vf18, vf18, Q texture perspective divide
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// vu.vf18.mul(Mask::xyz, vu.vf18, vu.Q);
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// add.xyzw vf12, vf12, vf04 apply hvdf
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// gen.vtx_p0.add(Mask::xyzw, gen.vtx_p0, gen.hvdf_off);
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transformed.xyz += hvdf_offset.xyz;
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// correct xy offset
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transformed.xy -= (2048.);
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// correct z scale
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transformed.z /= (8388608);
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transformed.z -= 1;
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// correct xy scale
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transformed.x /= (256);
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transformed.y /= -(128);
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// hack
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transformed.xyz *= transformed.w;
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gl_Position = transformed;
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// scissoring area adjust
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gl_Position.y *= 512.0/448.0;
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fragment_color = vec4(rgba_in.x, rgba_in.y, rgba_in.z, rgba_in.w * 2.);
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tex_info = byte_info.xy;
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} |