X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=ycbcr_input.cpp;h=22d689d2a04997edf43fd8a7e768720a176a25be;hp=6e73d3e2015e219e0fc7f1b7a3961515db96e146;hb=d88ed3150376693000665b9016c0350d5d90e9e1;hpb=85f9719bf3519b1f1942738d11601584f5d38725 diff --git a/ycbcr_input.cpp b/ycbcr_input.cpp index 6e73d3e..22d689d 100644 --- a/ycbcr_input.cpp +++ b/ycbcr_input.cpp @@ -1,6 +1,6 @@ #include #include -#include +#include #include #include #include @@ -13,6 +13,8 @@ using namespace Eigen; using namespace std; +namespace movit { + namespace { // OpenGL has texel center in (0.5, 0.5), but different formats have @@ -63,7 +65,6 @@ YCbCrInput::YCbCrInput(const ImageFormat &image_format, unsigned width, unsigned height) : image_format(image_format), ycbcr_format(ycbcr_format), - finalized(false), needs_mipmaps(false), width(width), height(height), @@ -96,11 +97,6 @@ YCbCrInput::~YCbCrInput() } } -void YCbCrInput::finalize() -{ - finalized = true; -} - void YCbCrInput::set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num) { for (unsigned channel = 0; channel < 3; ++channel) { @@ -109,7 +105,7 @@ void YCbCrInput::set_gl_state(GLuint glsl_program_num, const string& prefix, uns if (texture_num[channel] == 0) { // (Re-)upload the texture. - texture_num[channel] = resource_pool->create_2d_texture(GL_LUMINANCE8, widths[channel], heights[channel]); + texture_num[channel] = resource_pool->create_2d_texture(GL_R8, widths[channel], heights[channel]); glBindTexture(GL_TEXTURE_2D, texture_num[channel]); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); @@ -120,7 +116,7 @@ void YCbCrInput::set_gl_state(GLuint glsl_program_num, const string& prefix, uns check_error(); glPixelStorei(GL_UNPACK_ROW_LENGTH, pitch[channel]); check_error(); - glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, widths[channel], heights[channel], GL_LUMINANCE, GL_UNSIGNED_BYTE, pixel_data[channel]); + glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, widths[channel], heights[channel], GL_RED, GL_UNSIGNED_BYTE, pixel_data[channel]); check_error(); glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); check_error(); @@ -216,31 +212,20 @@ string YCbCrInput::output_fragment_shader() string frag_shader; frag_shader = output_glsl_mat3("PREFIX(inv_ycbcr_matrix)", ycbcr_to_rgb); - - char buf[256]; - sprintf(buf, "const vec3 PREFIX(offset) = vec3(%.8f, %.8f, %.8f);\n", - offset[0], offset[1], offset[2]); - frag_shader += buf; - - sprintf(buf, "const vec3 PREFIX(scale) = vec3(%.8f, %.8f, %.8f);\n", - scale[0], scale[1], scale[2]); - frag_shader += buf; + frag_shader += output_glsl_vec3("PREFIX(offset)", offset[0], offset[1], offset[2]); + frag_shader += output_glsl_vec3("PREFIX(scale)", scale[0], scale[1], scale[2]); float cb_offset_x = compute_chroma_offset( ycbcr_format.cb_x_position, ycbcr_format.chroma_subsampling_x, widths[1]); float cb_offset_y = compute_chroma_offset( ycbcr_format.cb_y_position, ycbcr_format.chroma_subsampling_y, heights[1]); - sprintf(buf, "const vec2 PREFIX(cb_offset) = vec2(%.8f, %.8f);\n", - cb_offset_x, cb_offset_y); - frag_shader += buf; + frag_shader += output_glsl_vec2("PREFIX(cb_offset)", cb_offset_x, cb_offset_y); float cr_offset_x = compute_chroma_offset( ycbcr_format.cr_x_position, ycbcr_format.chroma_subsampling_x, widths[2]); float cr_offset_y = compute_chroma_offset( ycbcr_format.cr_y_position, ycbcr_format.chroma_subsampling_y, heights[2]); - sprintf(buf, "const vec2 PREFIX(cr_offset) = vec2(%.8f, %.8f);\n", - cr_offset_x, cr_offset_y); - frag_shader += buf; + frag_shader += output_glsl_vec2("PREFIX(cr_offset)", cr_offset_x, cr_offset_y); frag_shader += read_file("ycbcr_input.frag"); return frag_shader; @@ -255,3 +240,5 @@ void YCbCrInput::invalidate_pixel_data() } } } + +} // namespace movit