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50 lines
1.4 KiB
GLSL
50 lines
1.4 KiB
GLSL
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#version 450
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#extension GL_ARB_separate_shader_objects : enable
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layout (location = 0) in vec2 inVertex;
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#ifdef TW_TILE_TEXTURED
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layout (location = 1) in vec3 inVertexTexCoord;
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#endif
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layout(push_constant) uniform SPosBO {
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layout(offset = 0) uniform mat4x2 gPos;
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#if defined(TW_TILE_BORDER) || defined(TW_TILE_BORDER_LINE)
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layout(offset = 32) uniform vec2 gDir;
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layout(offset = 40) uniform vec2 gOffset;
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#endif
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#if defined(TW_TILE_BORDER)
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layout(offset = 48) uniform int gJumpIndex;
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#endif
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} gPosBO;
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#ifdef TW_TILE_TEXTURED
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layout (location = 0) noperspective out vec3 TexCoord;
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#endif
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void main()
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{
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#if defined(TW_TILE_BORDER)
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vec4 VertPos = vec4(inVertex, 0.0, 1.0);
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int XCount = gl_InstanceIndex - (int(gl_InstanceIndex/gPosBO.gJumpIndex) * gPosBO.gJumpIndex);
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int YCount = (int(gl_InstanceIndex/gPosBO.gJumpIndex));
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VertPos.x += gPosBO.gOffset.x + gPosBO.gDir.x * float(XCount);
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VertPos.y += gPosBO.gOffset.y + gPosBO.gDir.y * float(YCount);
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gl_Position = vec4(gPosBO.gPos * VertPos, 0.0, 1.0);
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#elif defined(TW_TILE_BORDER_LINE)
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vec4 VertPos = vec4(inVertex.x + gPosBO.gOffset.x, inVertex.y + gPosBO.gOffset.y, 0.0, 1.0);
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VertPos.x += gPosBO.gDir.x * float(gl_InstanceIndex);
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VertPos.y += gPosBO.gDir.y * float(gl_InstanceIndex);
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gl_Position = vec4(gPosBO.gPos * VertPos, 0.0, 1.0);
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#else
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gl_Position = vec4(gPosBO.gPos * vec4(inVertex, 0.0, 1.0), 0.0, 1.0);
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#endif
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#ifdef TW_TILE_TEXTURED
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TexCoord = inVertexTexCoord;
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#endif
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}
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