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Undoes hard-coding of target framebuffer and display gamma.

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This commit is contained in:
Thomas Harte 2019-01-15 21:33:30 -05:00
parent 6c49953115
commit ef0dbc2a41
2 changed files with 11 additions and 6 deletions
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12
Outputs/OpenGL/ScanTarget.cpp
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@ -60,7 +60,9 @@ template <typename T> void ScanTarget::allocate_buffer(const T &array, GLuint &b
glBindBuffer(GL_ARRAY_BUFFER, buffer_name);
}
ScanTarget::ScanTarget() :
ScanTarget::ScanTarget(GLuint target_framebuffer, float output_gamma) :
target_framebuffer_(target_framebuffer),
output_gamma_(output_gamma),
unprocessed_line_texture_(LineBufferWidth, LineBufferHeight, UnprocessedLineBufferTextureUnit, GL_NEAREST, false),
full_display_rectangle_(-1.0f, -1.0f, 2.0f, 2.0f) {
@ -285,8 +287,8 @@ void ScanTarget::setup_pipeline() {
// lose any detail when combining the input.
processing_width_ = modals_.cycles_per_line / modals_.clocks_per_pixel_greatest_common_divisor;
// Establish an output shader. TODO: don't hard-code gamma.
output_shader_ = conversion_shader(modals_.input_data_type, modals_.display_type, modals_.composite_colour_space, 2.2f / modals_.intended_gamma, modals_.brightness);
// Establish an output shader.
output_shader_ = conversion_shader(modals_.input_data_type, modals_.display_type, modals_.composite_colour_space, output_gamma_ / modals_.intended_gamma, modals_.brightness);
glBindVertexArray(line_vertex_array_);
glBindBuffer(GL_ARRAY_BUFFER, line_buffer_name_);
enable_vertex_attributes(ShaderType::Conversion, *output_shader_);
@ -540,8 +542,8 @@ void ScanTarget::draw(bool synchronous, int output_width, int output_height) {
glDisable(GL_BLEND);
}
// Copy the accumulatiion texture to the target (TODO: don't assume framebuffer 0).
glBindFramebuffer(GL_FRAMEBUFFER, 0);
// Copy the accumulatiion texture to the target.
glBindFramebuffer(GL_FRAMEBUFFER, target_framebuffer_);
glViewport(0, 0, (GLsizei)output_width, (GLsizei)output_height);
glClear(GL_COLOR_BUFFER_BIT);

5
Outputs/OpenGL/ScanTarget.hpp
View File

@ -35,7 +35,7 @@ namespace OpenGL {
*/
class ScanTarget: public Outputs::Display::ScanTarget {
public:
ScanTarget();
ScanTarget(GLuint target_framebuffer = 0, float output_gamma = 2.2f);
~ScanTarget();
void draw(bool synchronous, int output_width, int output_height);
@ -46,6 +46,9 @@ class ScanTarget: public Outputs::Display::ScanTarget {
static constexpr int LineBufferWidth = 2048;
static constexpr int LineBufferHeight = 2048;
const GLuint target_framebuffer_;
const float output_gamma_;
// Outputs::Display::ScanTarget overrides.
void set_modals(Modals) override;
Scan *begin_scan() override;