2013-10-05 18:25:12 +02:00
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/******************************************************************************
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Copyright (C) 2013 by Hugh Bailey <obs.jim@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#include "gl-subsystem.h"
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2013-10-11 02:39:56 +02:00
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bool gl_init_face(GLenum target, GLenum type, uint32_t num_levels,
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2013-10-05 18:25:12 +02:00
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GLenum format, GLint internal_format, bool compressed,
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uint32_t width, uint32_t height, uint32_t size, void ***p_data)
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{
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bool success = true;
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void **data = *p_data;
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uint32_t i;
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for (i = 0; i < num_levels; i++) {
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if (compressed) {
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2013-10-11 02:39:56 +02:00
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glCompressedTexImage2D(target, i, internal_format,
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width, height, 0, size,
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data ? *data : NULL);
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2013-10-05 18:25:12 +02:00
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if (!gl_success("glCompressedTexImage2D"))
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success = false;
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} else {
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2013-10-11 02:39:56 +02:00
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glTexImage2D(target, i, internal_format, width, height,
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0, format, type, data ? *data : NULL);
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2013-10-05 18:25:12 +02:00
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if (!gl_success("glTexImage2D"))
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success = false;
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}
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2013-10-11 02:39:56 +02:00
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if (data)
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data++;
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2013-10-05 18:25:12 +02:00
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size /= 4;
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width /= 2;
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height /= 2;
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2013-10-05 18:40:43 +02:00
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if (width == 0) width = 1;
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if (height == 0) height = 1;
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2013-10-05 18:25:12 +02:00
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}
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*p_data = data;
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return success;
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}
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2013-10-11 02:39:56 +02:00
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bool gl_copy_texture(struct gs_device *device,
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GLuint src, GLenum src_target,
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GLuint dst, GLenum dst_target,
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uint32_t width, uint32_t height)
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{
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bool success = false;
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if (device->copy_type == COPY_TYPE_ARB) {
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glCopyImageSubData(src, src_target, 0, 0, 0, 0,
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dst, dst_target, 0, 0, 0, 0,
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width, height, 1);
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success = gl_success("glCopyImageSubData");
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} else if (device->copy_type == COPY_TYPE_NV) {
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glCopyImageSubDataNV(src, src_target, 0, 0, 0, 0,
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dst, dst_target, 0, 0, 0, 0,
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width, height, 1);
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success = gl_success("glCopyImageSubDataNV");
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} else if (device->copy_type == COPY_TYPE_FBO_BLIT) {
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/* TODO (implement FBOs) */
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}
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return success;
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}
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