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-rw-r--r--pugl/pugl/cairo_gl.h105
1 files changed, 0 insertions, 105 deletions
diff --git a/pugl/pugl/cairo_gl.h b/pugl/pugl/cairo_gl.h
deleted file mode 100644
index 5c0f1f9..0000000
--- a/pugl/pugl/cairo_gl.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- Copyright 2016 David Robillard <http://drobilla.net>
-
- Permission to use, copy, modify, and/or distribute this software for any
- purpose with or without fee is hereby granted, provided that the above
- copyright notice and this permission notice appear in all copies.
-
- THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
-
-#if defined(PUGL_HAVE_GL) && defined(PUGL_HAVE_CAIRO)
-
-#include <cairo/cairo.h>
-#include <stdint.h>
-
-#include "pugl/gl.h"
-
-typedef struct {
- unsigned texture_id;
- uint8_t* buffer;
-} PuglCairoGL;
-
-static cairo_surface_t*
-pugl_cairo_gl_create(PuglCairoGL* ctx, int width, int height, int bpp)
-{
- free(ctx->buffer);
- ctx->buffer = (uint8_t*)calloc(bpp * width * height, sizeof(uint8_t));
- if (!ctx->buffer) {
- fprintf(stderr, "failed to allocate surface buffer\n");
- return NULL;
- }
-
- return cairo_image_surface_create_for_data(
- ctx->buffer, CAIRO_FORMAT_ARGB32, width, height, bpp * width);
-}
-
-static void
-pugl_cairo_gl_free(PuglCairoGL* ctx)
-{
- free(ctx->buffer);
- ctx->buffer = NULL;
-}
-
-static void
-pugl_cairo_gl_configure(PuglCairoGL* ctx, int width, int height)
-{
- glDisable(GL_DEPTH_TEST);
- glEnable(GL_BLEND);
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable(GL_TEXTURE_RECTANGLE_ARB);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrtho(-1.0f, 1.0f, -1.0f, 1.0f, -1.0f, 1.0f);
-
- glClear(GL_COLOR_BUFFER_BIT);
-
- glDeleteTextures(1, &ctx->texture_id);
- glGenTextures(1, &ctx->texture_id);
- glBindTexture(GL_TEXTURE_RECTANGLE_ARB, ctx->texture_id);
- glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
-}
-
-static void
-pugl_cairo_gl_draw(PuglCairoGL* ctx, int width, int height)
-{
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glViewport(0, 0, width, height);
- glClear(GL_COLOR_BUFFER_BIT);
-
- glPushMatrix();
- glEnable(GL_TEXTURE_RECTANGLE_ARB);
- glEnable(GL_TEXTURE_2D);
-
- glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
- width, height, 0,
- GL_BGRA, GL_UNSIGNED_BYTE, ctx->buffer);
-
- glBegin(GL_QUADS);
- glTexCoord2f(0.0f, (GLfloat)height);
- glVertex2f(-1.0f, -1.0f);
-
- glTexCoord2f((GLfloat)width, (GLfloat)height);
- glVertex2f(1.0f, -1.0f);
-
- glTexCoord2f((GLfloat)width, 0.0f);
- glVertex2f(1.0f, 1.0f);
-
- glTexCoord2f(0.0f, 0.0f);
- glVertex2f(-1.0f, 1.0f);
- glEnd();
-
- glDisable(GL_TEXTURE_2D);
- glDisable(GL_TEXTURE_RECTANGLE_ARB);
- glPopMatrix();
-}
-
-#endif