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authorMichal Krol <michal@vmware.com>2009-12-17 22:37:15 +0100
committerMichal Krol <michal@vmware.com>2009-12-17 22:37:15 +0100
commit16c6dce013f089d072256652f012b3b604781bfd (patch)
tree077623708990a855f9be2dfeb3925f727e6207e7 /progs/glsl/deriv.c
parent440fc5bf788201a265892ff2e12bf102e63a2896 (diff)
parent294bd53d4b6b15a6890599c46f14b205a3c738bf (diff)
Merge branch 'master' into pipe-format-simplify
Conflicts: src/gallium/auxiliary/draw/draw_pipe_aaline.c src/gallium/auxiliary/draw/draw_pipe_pstipple.c src/gallium/auxiliary/util/u_blit.c src/gallium/auxiliary/util/u_gen_mipmap.c src/gallium/auxiliary/util/u_surface.c src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c src/gallium/drivers/cell/ppu/cell_texture.c src/gallium/drivers/llvmpipe/lp_texture.c src/gallium/drivers/r300/r300_emit.c src/gallium/drivers/r300/r300_texture.c src/gallium/drivers/softpipe/sp_texture.c src/gallium/drivers/softpipe/sp_tile_cache.c src/gallium/drivers/svga/svga_state_vs.c src/gallium/include/pipe/p_format.h src/gallium/state_trackers/dri/dri_drawable.c src/gallium/state_trackers/egl/egl_surface.c src/gallium/state_trackers/python/p_device.i src/gallium/state_trackers/python/st_softpipe_winsys.c src/gallium/state_trackers/vega/api_filters.c src/gallium/state_trackers/vega/image.c src/gallium/state_trackers/vega/mask.c src/gallium/state_trackers/vega/paint.c src/gallium/state_trackers/vega/renderer.c src/gallium/state_trackers/vega/vg_tracker.c src/gallium/state_trackers/xorg/xorg_crtc.c src/gallium/state_trackers/xorg/xorg_dri2.c src/gallium/state_trackers/xorg/xorg_exa.c src/gallium/state_trackers/xorg/xorg_renderer.c src/gallium/state_trackers/xorg/xorg_xv.c src/gallium/state_trackers/xorg/xvmc/surface.c src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c src/gallium/winsys/drm/radeon/core/radeon_buffer.c src/gallium/winsys/egl_xlib/sw_winsys.c src/gallium/winsys/g3dvl/xlib/xsp_winsys.c src/gallium/winsys/gdi/gdi_llvmpipe_winsys.c src/gallium/winsys/gdi/gdi_softpipe_winsys.c src/gallium/winsys/xlib/xlib_cell.c src/gallium/winsys/xlib/xlib_llvmpipe.c src/gallium/winsys/xlib/xlib_softpipe.c src/mesa/state_tracker/st_cb_fbo.c src/mesa/state_tracker/st_cb_texture.c src/mesa/state_tracker/st_texture.c
Diffstat (limited to 'progs/glsl/deriv.c')
-rw-r--r--progs/glsl/deriv.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/progs/glsl/deriv.c b/progs/glsl/deriv.c
index 30f2b75fef..588246b71a 100644
--- a/progs/glsl/deriv.c
+++ b/progs/glsl/deriv.c
@@ -27,11 +27,15 @@ static GLuint SphereList, RectList, CurList;
static GLint win = 0;
static GLboolean anim = GL_TRUE;
static GLfloat xRot = 0.0f, yRot = 0.0f;
+static GLint WinSize[2];
+static GLint WinSizeUniform = -1;
static void
Redisplay(void)
{
+ glUniform2iv(WinSizeUniform, 1, WinSize);
+
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
@@ -55,6 +59,8 @@ Idle(void)
static void
Reshape(int width, int height)
{
+ WinSize[0] = width;
+ WinSize[1] = height;
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
@@ -163,8 +169,10 @@ static void
Init(void)
{
static const char *fragShaderText =
+ "uniform ivec2 WinSize; \n"
"void main() {\n"
- " gl_FragColor = abs(dFdy(gl_TexCoord[0])) * 50.0;\n"
+ " vec2 d = dFdy(gl_TexCoord[0].xy) * vec2(WinSize); \n"
+ " gl_FragColor = vec4(d.x, d.y, 0.0, 1.0);\n"
" // gl_FragColor = gl_TexCoord[0];\n"
"}\n";
static const char *vertShaderText =
@@ -181,6 +189,7 @@ Init(void)
program = LinkShaders(vertShader, fragShader);
glUseProgram(program);
+ WinSizeUniform = glGetUniformLocation(program, "WinSize");
/*assert(glGetError() == 0);*/
@@ -220,8 +229,10 @@ ParseOptions(int argc, char *argv[])
int
main(int argc, char *argv[])
{
+ WinSize[0] = WinSize[1] = 200;
+
glutInit(&argc, argv);
- glutInitWindowSize(200, 200);
+ glutInitWindowSize(WinSize[0], WinSize[1]);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
win = glutCreateWindow(argv[0]);
glewInit();