26 lines
809 B
C++
26 lines
809 B
C++
#include <mbgl/shader/linepattern_shader.hpp>
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#include <mbgl/shader/shaders.hpp>
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#include <mbgl/platform/gl.hpp>
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#include <cstdio>
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using namespace mbgl;
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LinepatternShader::LinepatternShader()
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: Shader(
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"linepattern",
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shaders[LINEPATTERN_SHADER].vertex,
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shaders[LINEPATTERN_SHADER].fragment
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) {
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a_pos = MBGL_CHECK_ERROR(glGetAttribLocation(program, "a_pos"));
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a_data = MBGL_CHECK_ERROR(glGetAttribLocation(program, "a_data"));
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}
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void LinepatternShader::bind(char *offset) {
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MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_pos));
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MBGL_CHECK_ERROR(glVertexAttribPointer(a_pos, 2, GL_SHORT, false, 8, offset + 0));
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MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_data));
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MBGL_CHECK_ERROR(glVertexAttribPointer(a_data, 4, GL_BYTE, false, 8, offset + 4));
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}
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