Merge pull request #81 from yuriks/downgrade-shader
Downgrade GLSL version to 1.50 (compatible with GL 3.2)
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commit
7122c46937
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@ -7,9 +7,9 @@
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namespace GLShaders {
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namespace GLShaders {
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static const char g_vertex_shader[] = R"(
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static const char g_vertex_shader[] = R"(
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#version 330 core
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#version 150 core
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layout(location = 0) in vec3 position;
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in vec3 position;
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layout(location = 1) in vec2 texCoord;
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in vec2 texCoord;
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out vec2 UV;
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out vec2 UV;
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@ -27,7 +27,7 @@ void main() {
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})";
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})";
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static const char g_fragment_shader[] = R"(
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static const char g_fragment_shader[] = R"(
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#version 330 core
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#version 150 core
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in vec2 UV;
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in vec2 UV;
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out vec3 color;
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out vec3 color;
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uniform sampler2D sampler;
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uniform sampler2D sampler;
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@ -155,6 +155,8 @@ void RendererOpenGL::RenderXFB(const common::Rect& src_rect, const common::Rect&
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void RendererOpenGL::InitFramebuffer() {
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void RendererOpenGL::InitFramebuffer() {
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program_id = ShaderUtil::LoadShaders(GLShaders::g_vertex_shader, GLShaders::g_fragment_shader);
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program_id = ShaderUtil::LoadShaders(GLShaders::g_vertex_shader, GLShaders::g_fragment_shader);
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sampler_id = glGetUniformLocation(program_id, "sampler");
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sampler_id = glGetUniformLocation(program_id, "sampler");
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attrib_position = glGetAttribLocation(program_id, "position");
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attrib_texcoord = glGetAttribLocation(program_id, "texCoord");
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// Generate vertex buffers for both screens
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// Generate vertex buffers for both screens
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glGenBuffers(1, &screen_info.Top().vertex_buffer_id);
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glGenBuffers(1, &screen_info.Top().vertex_buffer_id);
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@ -197,8 +199,8 @@ void RendererOpenGL::RenderFramebuffer() {
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// Bind texture in Texture Unit 0
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// Bind texture in Texture Unit 0
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glActiveTexture(GL_TEXTURE0);
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glActiveTexture(GL_TEXTURE0);
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glEnableVertexAttribArray(0);
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glEnableVertexAttribArray(attrib_position);
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glEnableVertexAttribArray(1);
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glEnableVertexAttribArray(attrib_texcoord);
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for (int i = 0; i < 2; i++) {
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for (int i = 0; i < 2; i++) {
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@ -216,15 +218,15 @@ void RendererOpenGL::RenderFramebuffer() {
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const GLvoid* uv_offset = (const GLvoid*)(3 * sizeof(GLfloat));
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const GLvoid* uv_offset = (const GLvoid*)(3 * sizeof(GLfloat));
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// Configure vertex buffer
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// Configure vertex buffer
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glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, stride, NULL);
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glVertexAttribPointer(attrib_position, 3, GL_FLOAT, GL_FALSE, stride, NULL);
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glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, stride, uv_offset);
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glVertexAttribPointer(attrib_texcoord, 2, GL_FLOAT, GL_FALSE, stride, uv_offset);
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// Draw screen
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// Draw screen
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glDrawArrays(GL_TRIANGLES, 0, 6);
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glDrawArrays(GL_TRIANGLES, 0, 6);
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}
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}
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glDisableVertexAttribArray(0);
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glDisableVertexAttribArray(attrib_position);
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glDisableVertexAttribArray(1);
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glDisableVertexAttribArray(attrib_texcoord);
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m_current_frame++;
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m_current_frame++;
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}
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}
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@ -85,6 +85,9 @@ private:
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GLuint vertex_array_id;
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GLuint vertex_array_id;
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GLuint program_id;
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GLuint program_id;
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GLuint sampler_id;
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GLuint sampler_id;
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// Shader attribute input indices
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GLuint attrib_position;
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GLuint attrib_texcoord;
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struct : std::array<ScreenInfo, 2> {
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struct : std::array<ScreenInfo, 2> {
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ScreenInfo& Top() { return (*this)[0]; }
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ScreenInfo& Top() { return (*this)[0]; }
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