1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
#include "utest_helper.hpp"
static void read_back(int tex, int width, int height, uint32_t * resultColor)
{
float vertices[8] = {-1, 1, 1, 1, 1, -1, -1, -1};
float tex_coords[8] = {0, 0, 1, 0, 1, 1, 0, 1};
glBindTexture(GL_TEXTURE_2D, tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glEnable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
glVertexPointer(2, GL_FLOAT, sizeof(float) * 2, vertices);
glEnableClientState(GL_VERTEX_ARRAY);
glClientActiveTexture(GL_TEXTURE0);
glTexCoordPointer(2, GL_FLOAT, sizeof(float) * 2, tex_coords);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glFlush();
OCL_SWAP_EGL_BUFFERS();
glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, resultColor);
}
static void compiler_fill_gl_image(void)
{
const size_t w = EGL_WINDOW_WIDTH;
const size_t h = EGL_WINDOW_HEIGHT;
uint32_t color = 0x123456FF;
uint32_t *resultColor;
GLuint tex;
// Setup kernel and images
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
// Must set the all filters to GL_NEAREST!
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, NULL);
OCL_CREATE_KERNEL("test_fill_gl_image");
OCL_CREATE_GL_IMAGE(buf[0], 0, GL_TEXTURE_2D, 0, tex);
// Run the kernel
OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
OCL_SET_ARG(1, sizeof(color), &color);
globals[0] = w;
globals[1] = h;
locals[0] = 16;
locals[1] = 16;
glFinish();
OCL_ENQUEUE_ACQUIRE_GL_OBJECTS(0);
OCL_NDRANGE(2);
OCL_FLUSH();
// Check result
resultColor = new uint32_t[w * h * 4];
if (resultColor == NULL)
assert(0);
read_back(tex, w, h, resultColor);
for (uint32_t j = 0; j < h; ++j)
for (uint32_t i = 0; i < w; i++)
OCL_ASSERT(resultColor[j * w + i] == color);
OCL_UNMAP_BUFFER(0);
delete resultColor;
}
MAKE_UTEST_FROM_FUNCTION(compiler_fill_gl_image);
|
