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Reuse some code from the new gl backend

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Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2019-01-27 18:16:28 +00:00
parent 290ec7fb04
commit 061dd8e52e
6 changed files with 40 additions and 247 deletions
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20
src/backend/gl/gl_common.c
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@ -16,6 +16,26 @@
#include "backend/gl/gl_common.h"
#define P_PAINTREG_START(var) \
do { \
region_t reg_new; \
int nrects; \
const rect_t *rects; \
pixman_region32_init_rect(&reg_new, dx, dy, width, height); \
pixman_region32_intersect(&reg_new, &reg_new, (region_t *)reg_tgt); \
rects = pixman_region32_rectangles(&reg_new, &nrects); \
glBegin(GL_QUADS); \
\
for (int ri = 0; ri < nrects; ++ri) { \
rect_t var = rects[ri];
#define P_PAINTREG_END() \
} \
glEnd(); \
pixman_region32_fini(&reg_new); \
} \
while (0)
struct gl_data {};
GLuint gl_create_shader(GLenum shader_type, const char *shader_str) {

20
src/backend/gl/gl_common.h
View File

@ -144,23 +144,3 @@ static inline void gl_free_blur_shader(gl_blur_shader_t *shader) {
shader->prog = 0;
shader->frag_shader = 0;
}
#define P_PAINTREG_START(var) \
do { \
region_t reg_new; \
int nrects; \
const rect_t *rects; \
pixman_region32_init_rect(&reg_new, dx, dy, width, height); \
pixman_region32_intersect(&reg_new, &reg_new, (region_t *)reg_tgt); \
rects = pixman_region32_rectangles(&reg_new, &nrects); \
glBegin(GL_QUADS); \
\
for (int ri = 0; ri < nrects; ++ri) { \
rect_t var = rects[ri];
#define P_PAINTREG_END() \
} \
glEnd(); \
pixman_region32_fini(&reg_new); \
} \
while (0)