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111 lines
2.3 KiB
C
111 lines
2.3 KiB
C
#include "config.h"
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#include <gdk/gdkprofilerprivate.h>
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#include "gskglbufferprivate.h"
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struct _GskGLBuffer
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{
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GskGpuBuffer parent_instance;
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GLenum target;
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GLuint buffer_id;
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GLenum access;
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guchar *data;
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};
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G_DEFINE_TYPE (GskGLBuffer, gsk_gl_buffer, GSK_TYPE_GPU_BUFFER)
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static guint profiler_buffer_uploads_id;
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static gint64 profiler_buffer_uploads;
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static void
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gsk_gl_buffer_finalize (GObject *object)
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{
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GskGLBuffer *self = GSK_GL_BUFFER (object);
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g_free (self->data);
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glDeleteBuffers (1, &self->buffer_id);
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G_OBJECT_CLASS (gsk_gl_buffer_parent_class)->finalize (object);
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}
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static guchar *
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gsk_gl_buffer_map (GskGpuBuffer *buffer)
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{
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GskGLBuffer *self = GSK_GL_BUFFER (buffer);
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return self->data;
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}
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static void
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gsk_gl_buffer_unmap (GskGpuBuffer *buffer,
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gsize used)
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{
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GskGLBuffer *self = GSK_GL_BUFFER (buffer);
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if (used == 0)
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return;
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gsk_gl_buffer_bind (self);
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profiler_buffer_uploads += used;
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glBufferSubData (self->target, 0, used, self->data);
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gdk_profiler_set_int_counter (profiler_buffer_uploads_id, profiler_buffer_uploads);
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}
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static void
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gsk_gl_buffer_class_init (GskGLBufferClass *klass)
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{
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GskGpuBufferClass *buffer_class = GSK_GPU_BUFFER_CLASS (klass);
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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buffer_class->map = gsk_gl_buffer_map;
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buffer_class->unmap = gsk_gl_buffer_unmap;
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gobject_class->finalize = gsk_gl_buffer_finalize;
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profiler_buffer_uploads_id = gdk_profiler_define_int_counter ("ngl-buffer-uploads", "Number of bytes uploaded to GPU");
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}
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static void
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gsk_gl_buffer_init (GskGLBuffer *self)
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{
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}
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GskGpuBuffer *
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gsk_gl_buffer_new (GLenum target,
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gsize size,
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GLenum access)
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{
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GskGLBuffer *self;
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self = g_object_new (GSK_TYPE_GL_BUFFER, NULL);
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gsk_gpu_buffer_setup (GSK_GPU_BUFFER (self), size);
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self->target = target;
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self->access = access;
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glGenBuffers (1, &self->buffer_id);
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glBindBuffer (target, self->buffer_id);
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glBufferData (target, size, NULL, GL_STATIC_DRAW);
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self->data = malloc (size);
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return GSK_GPU_BUFFER (self);
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}
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void
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gsk_gl_buffer_bind (GskGLBuffer *self)
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{
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glBindBuffer (self->target, self->buffer_id);
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}
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void
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gsk_gl_buffer_bind_base (GskGLBuffer *self,
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GLuint index)
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{
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glBindBufferBase (self->target, index, self->buffer_id);
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}
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