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Added OpenGL ES context creation for the each window which has been c…
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…reated (for --windows=N option).
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@llmike
llmike committed Apr 28, 2009
1 parent 7c54f60 commit 0e79242
Showing 1 changed file with 64 additions and 26 deletions.
90 changes: 64 additions & 26 deletions test/testgles.c
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Original file line number Original file line Diff line number Diff line change
Expand Up @@ -14,16 +14,26 @@
#include "SDL_opengles.h" #include "SDL_opengles.h"


static CommonState *state; static CommonState *state;
static SDL_GLContext context; static SDL_GLContext *context=NULL;


/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
static void static void
quit(int rc) quit(int rc)
{ {
if (context) { int i;
/* SDL_GL_MakeCurrent(0, NULL); *//* doesn't do anything */
SDL_GL_DeleteContext(context); if (context!=NULL)
{
for (i=0; i<state->num_windows; i++)
{
if (context[i]) {
SDL_GL_DeleteContext(context[i]);
}
}

SDL_free(context);
} }

CommonQuit(state); CommonQuit(state);
exit(rc); exit(rc);
} }
Expand Down Expand Up @@ -139,11 +149,21 @@ main(int argc, char *argv[])
quit(2); quit(2);
} }


/* Create OpenGL context */ context=SDL_calloc(state->num_windows, sizeof(SDL_GLContext));
context = SDL_GL_CreateContext(state->windows[0]); if (context==NULL)
if (!context) { {
fprintf(stderr, "SDL_GL_CreateContext(): %s\n", SDL_GetError()); fprintf(stderr, "Out of memory!\n");
quit(2); quit(2);
}

/* Create OpenGL ES contexts */
for (i=0; i<state->num_windows; i++)
{
context[i] = SDL_GL_CreateContext(state->windows[i]);
if (!context[i]) {
fprintf(stderr, "SDL_GL_CreateContext(): %s\n", SDL_GetError());
quit(2);
}
} }


if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) { if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) {
Expand All @@ -165,38 +185,38 @@ main(int argc, char *argv[])
if (!status) { if (!status) {
printf("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value); printf("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value);
} else { } else {
printf("Failed to get SDL_GL_RED_SIZE: %s\n", SDL_GetError()); fprintf(stderr, "Failed to get SDL_GL_RED_SIZE: %s\n", SDL_GetError());
} }
status=SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value); status=SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value);
if (!status) { if (!status) {
printf("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value); printf("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value);
} else { } else {
printf("Failed to get SDL_GL_GREEN_SIZE: %s\n", SDL_GetError()); fprintf(stderr, "Failed to get SDL_GL_GREEN_SIZE: %s\n", SDL_GetError());
} }
status=SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value); status=SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value);
if (!status) { if (!status) {
printf("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value); printf("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value);
} else { } else {
printf("Failed to get SDL_GL_BLUE_SIZE: %s\n", SDL_GetError()); fprintf(stderr, "Failed to get SDL_GL_BLUE_SIZE: %s\n", SDL_GetError());
} }
status=SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value); status=SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value);
if (!status) { if (!status) {
printf("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", 16, value); printf("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", 16, value);
} else { } else {
printf("Failed to get SDL_GL_DEPTH_SIZE: %s\n", SDL_GetError()); fprintf(stderr, "Failed to get SDL_GL_DEPTH_SIZE: %s\n", SDL_GetError());
} }
if (fsaa) { if (fsaa) {
status=SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value); status=SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value);
if (!status) { if (!status) {
printf("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value); printf("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
} else { } else {
printf("Failed to get SDL_GL_MULTISAMPLEBUFFERS: %s\n", SDL_GetError()); fprintf(stderr, "Failed to get SDL_GL_MULTISAMPLEBUFFERS: %s\n", SDL_GetError());
} }
status=SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value); status=SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value);
if (!status) { if (!status) {
printf("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, value); printf("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, value);
} else { } else {
printf("Failed to get SDL_GL_MULTISAMPLESAMPLES: %s\n", SDL_GetError()); fprintf(stderr, "Failed to get SDL_GL_MULTISAMPLESAMPLES: %s\n", SDL_GetError());
} }
} }
if (accel) { if (accel) {
Expand All @@ -205,19 +225,30 @@ main(int argc, char *argv[])
{ {
printf("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value); printf("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value);
} else { } else {
printf("Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n", SDL_GetError()); fprintf(stderr, "Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n", SDL_GetError());
} }
} }


/* Set rendering settings */ /* Set rendering settings for each context */
glMatrixMode(GL_PROJECTION); for (i = 0; i < state->num_windows; ++i) {
glLoadIdentity(); status=SDL_GL_MakeCurrent(state->windows[i], context[i]);
glOrthof(-2.0, 2.0, -2.0, 2.0, -20.0, 20.0); if (status)
glMatrixMode(GL_MODELVIEW); {
glLoadIdentity(); printf("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS); /* Continue for next window */
glShadeModel(GL_SMOOTH); continue;
}

glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrthof(-2.0, 2.0, -2.0, 2.0, -20.0, 20.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glShadeModel(GL_SMOOTH);
}


/* Main render loop */ /* Main render loop */
frames = 0; frames = 0;
Expand All @@ -231,7 +262,14 @@ main(int argc, char *argv[])
} }
for (i = 0; i < state->num_windows; ++i) { for (i = 0; i < state->num_windows; ++i) {
int w, h; int w, h;
SDL_GL_MakeCurrent(state->windows[i], context); status=SDL_GL_MakeCurrent(state->windows[i], context[i]);
if (status)
{
printf("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());

/* Continue for next window */
continue;
}
SDL_GetWindowSize(state->windows[i], &w, &h); SDL_GetWindowSize(state->windows[i], &w, &h);
glViewport(0, 0, w, h); glViewport(0, 0, w, h);
Render(); Render();
Expand Down

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