enum piglit_result
piglit_display(void) {
int i;
int chunk_size = 24 * sizeof(float);
bool pass = true;
glClearColor(0.2, 0.2, 0.2, 0.2);
glClear(GL_COLOR_BUFFER_BIT);
for (i = 0; i < sizeof(data) / chunk_size; i++) {
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA32F,
tbo, i * chunk_size, chunk_size);
glDrawArrays(GL_TRIANGLES, 0, 6);
}
for (i = 0; i < sizeof(data) / chunk_size; i++) {
float c[4] = {
data[i * 24 + 2],
data[i * 24 + 3],
0,
1
};
pass = piglit_probe_rect_rgba(
piglit_width * 0.5 * (1 + data[i * 24 + 0]),
piglit_height * 0.5 * (1 + data[i * 24 + 1]),
piglit_width/2,
piglit_height/2, c) && pass;
}
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
EXTERN_C_ENTER
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_ARBTextureBufferRange_glTexBufferRange(JNIEnv *__env, jclass clazz, jint target, jint internalformat, jint buffer, jlong offset, jlong size) {
glTexBufferRangePROC glTexBufferRange = (glTexBufferRangePROC)tlsGetFunction(903);
UNUSED_PARAM(clazz)
glTexBufferRange(target, internalformat, buffer, (intptr_t)offset, (intptr_t)size);
}
bool initTexture()
{
GLint TextureBufferOffsetAlignment(0);
glGetIntegerv(GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT, &TextureBufferOffsetAlignment);
glGenTextures(TEXTURE_MAX, &TextureName[0]);
glBindTexture(GL_TEXTURE_BUFFER, TextureName[TEXTURE_DISPLACEMENT]);
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGB32F, BufferName[BUFFER_DISPLACEMENT], TextureBufferOffsetAlignment, sizeof(glm::vec3) * 5);
glBindTexture(GL_TEXTURE_BUFFER, 0);
glBindTexture(GL_TEXTURE_BUFFER, TextureName[TEXTURE_DIFFUSE]);
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGB32F, BufferName[BUFFER_DIFFUSE], TextureBufferOffsetAlignment, sizeof(glm::vec3) * 5);
glBindTexture(GL_TEXTURE_BUFFER, 0);
return true;
}
int gl_TexBufferRange(State& state){
glTexBufferRange(
(GLenum) state.stack->to<int>(1),
(GLenum) state.stack->to<int>(2),
(GLuint) state.stack->to<int>(3),
(GLintptr) state.stack->to<int>(4),
(GLsizeiptr) state.stack->to<int>(5)
);
return 0;
}
bool initTexture()
{
glGenTextures(texture::MAX, TextureName);
gli::texture2D Texture(gli::loadStorageDDS(glf::DATA_DIRECTORY + TEXTURE_DIFFUSE));
assert(!Texture.empty());
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, TextureName[texture::DIFFUSE]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_RED);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, GL_GREEN);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_BLUE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, GL_ALPHA);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, GLint(Texture.levels() - 1));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexStorage2D(GL_TEXTURE_2D, GLint(Texture.levels()), GL_RGBA8, GLsizei(Texture[0].dimensions().x), GLsizei(Texture[0].dimensions().y));
for(gli::texture2D::size_type Level = 0; Level < Texture.levels(); ++Level)
{
glTexSubImage2D(
GL_TEXTURE_2D,
GLint(Level),
0, 0,
GLsizei(Texture[Level].dimensions().x),
GLsizei(Texture[Level].dimensions().y),
GL_BGR, GL_UNSIGNED_BYTE,
Texture[Level].data());
}
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
GLint TextureBufferOffset(0);
glGetIntegerv(
GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT,
&TextureBufferOffset);
GLint TextureBufferRange = glm::max(GLint(PositionSize), TextureBufferOffset);
glBindTexture(GL_TEXTURE_BUFFER, TextureName[texture::POSITION_INPUT]);
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA32F, BufferName[buffer::POSITION_INPUT], 0, TextureBufferRange);
glBindTexture(GL_TEXTURE_BUFFER, TextureName[texture::TEXCOORD_INPUT]);
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA32F, BufferName[buffer::TEXCOORD_INPUT], 0, TextureBufferRange);
glBindTexture(GL_TEXTURE_BUFFER, TextureName[texture::COLOR_INPUT]);
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA32F, BufferName[buffer::COLOR_INPUT], 0, TextureBufferRange);
glBindTexture(GL_TEXTURE_BUFFER, TextureName[texture::POSITION_OUTPUT]);
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA32F, BufferName[buffer::POSITION_OUTPUT], 0, TextureBufferRange);
glBindTexture(GL_TEXTURE_BUFFER, TextureName[texture::TEXCOORD_OUTPUT]);
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA32F, BufferName[buffer::TEXCOORD_OUTPUT], 0, TextureBufferRange);
glBindTexture(GL_TEXTURE_BUFFER, TextureName[texture::COLOR_OUTPUT]);
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA32F, BufferName[buffer::COLOR_OUTPUT], 0, TextureBufferRange);
glBindTexture(GL_TEXTURE_BUFFER, 0);
return true;
}
static void create_buffer_texture(struct wined3d_gl_view *view, struct wined3d_context *context,
struct wined3d_buffer *buffer, const struct wined3d_format *view_format,
unsigned int offset, unsigned int size)
{
const struct wined3d_gl_info *gl_info = context->gl_info;
if (!gl_info->supported[ARB_TEXTURE_BUFFER_OBJECT])
{
FIXME("OpenGL implementation does not support buffer textures.\n");
return;
}
if ((offset & (gl_info->limits.texture_buffer_offset_alignment - 1)))
{
FIXME("Buffer offset %u is not %u byte aligned.\n",
offset, gl_info->limits.texture_buffer_offset_alignment);
return;
}
wined3d_buffer_load_location(buffer, context, WINED3D_LOCATION_BUFFER);
view->target = GL_TEXTURE_BUFFER;
gl_info->gl_ops.gl.p_glGenTextures(1, &view->name);
context_bind_texture(context, GL_TEXTURE_BUFFER, view->name);
if (gl_info->supported[ARB_TEXTURE_BUFFER_RANGE])
{
GL_EXTCALL(glTexBufferRange(GL_TEXTURE_BUFFER, view_format->glInternal,
buffer->buffer_object, offset, size));
}
else
{
if (offset || size != buffer->resource.size)
FIXME("OpenGL implementation does not support ARB_texture_buffer_range.\n");
GL_EXTCALL(glTexBuffer(GL_TEXTURE_BUFFER, view_format->glInternal, buffer->buffer_object));
}
checkGLcall("Create buffer texture");
context_invalidate_compute_state(context, STATE_COMPUTE_SHADER_RESOURCE_BINDING);
context_invalidate_state(context, STATE_GRAPHICS_SHADER_RESOURCE_BINDING);
}
void
piglit_init(int argc, char **argv)
{
GLint align, value[2];
GLuint tex, bo;
piglit_require_gl_version(20);
piglit_require_extension("GL_ARB_texture_buffer_range");
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_BUFFER, tex);
glGenBuffers(1, &bo);
glBindBuffer(GL_TEXTURE_BUFFER, bo);
glGetIntegerv(GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT, &align);
if (align < 1) {
fprintf(stderr, "GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT == %i, "
"should be >= 1\n", align);
piglit_report_result(PIGLIT_FAIL);
}
/* If <offset> is negative or if <size> is
* less than or equal to zero or if <offset> + <size> is greater than
* the value of BUFFER_SIZE for the buffer bound to <target>, of if
* <offset> is not an integer multiple of
* TEXTURE_BUFFER_OFFSET_ALIGNMENT, then the error INVALID_VALUE
* is generated.
*/
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA8, bo, 0, 4);
if (!piglit_check_gl_error(GL_INVALID_VALUE))
piglit_report_result(PIGLIT_FAIL);
glBufferData(GL_TEXTURE_BUFFER, TBO_SIZE, NULL, GL_STATIC_DRAW);
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA8, bo, -align, 4);
if (!piglit_check_gl_error(GL_INVALID_VALUE))
piglit_report_result(PIGLIT_FAIL);
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA8, bo, 0, 0);
if (!piglit_check_gl_error(GL_INVALID_VALUE))
piglit_report_result(PIGLIT_FAIL);
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA8, bo, 0, -16);
if (!piglit_check_gl_error(GL_INVALID_VALUE))
piglit_report_result(PIGLIT_FAIL);
if (align > 1) {
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA8, bo, align / 2, 16);
if (!piglit_check_gl_error(GL_INVALID_VALUE))
piglit_report_result(PIGLIT_FAIL);
}
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA8, bo,
align, TBO_SIZE - align);
if (!piglit_check_gl_error(GL_NO_ERROR)) {
fprintf(stderr, "glTexBufferRange failed\n");
piglit_report_result(PIGLIT_FAIL);
}
glGetTexLevelParameteriv(GL_TEXTURE_BUFFER, 0, GL_TEXTURE_BUFFER_OFFSET,
&value[0]);
glGetTexLevelParameteriv(GL_TEXTURE_BUFFER, 0, GL_TEXTURE_BUFFER_SIZE,
&value[1]);
if (value[0] != align || value[1] != TBO_SIZE - align) {
fprintf(stderr, "GL_TEXTURE_BUFFER_OFFSET/SIZE returned %i/%i, "
"expected %i/%i\n",
value[0], value[1], align, TBO_SIZE - align);
piglit_report_result(PIGLIT_FAIL);
}
/* If <buffer> is zero, then any buffer object attached to the
* buffer texture is detached, the values <offset> and <size> are
* ignored and the state for <offset> and <size> for the
* buffer texture are reset to zero.
*/
glTexBufferRange(GL_TEXTURE_BUFFER, GL_RGBA8, 0, -align, TBO_SIZE * 2);
if (!piglit_check_gl_error(GL_NO_ERROR))
piglit_report_result(PIGLIT_FAIL);
glGetTexLevelParameteriv(GL_TEXTURE_BUFFER, 0, GL_TEXTURE_BUFFER_OFFSET,
&value[0]);
glGetTexLevelParameteriv(GL_TEXTURE_BUFFER, 0, GL_TEXTURE_BUFFER_SIZE,
&value[1]);
if (value[0] || value[1]) {
fprintf(stderr, "buffer detached but "
"GL_TEXTURE_BUFFER_OFFSET/SIZE "
"not reset to 0\n");
piglit_report_result(PIGLIT_FAIL);
}
piglit_report_result(PIGLIT_PASS);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL43_nglTexBufferRange(JNIEnv *__env, jclass clazz, jint target, jint internalformat, jint buffer, jlong offset, jlong size, jlong __functionAddress) {
glTexBufferRangePROC glTexBufferRange = (glTexBufferRangePROC)(intptr_t)__functionAddress;
UNUSED_PARAMS(__env, clazz)
glTexBufferRange(target, internalformat, buffer, (GLintptr)offset, (GLsizeiptr)size);
}
void BufferTexture::setBufferRangeImplementationDefault(BufferTextureFormat internalFormat, Buffer* buffer, GLintptr offset, GLsizeiptr size) {
bindInternal();
glTexBufferRange(GL_TEXTURE_BUFFER, GLenum(internalFormat), buffer->id(), offset, size);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL43_nglTexBufferRange(JNIEnv *env, jclass clazz, jint target, jint internalformat, jint buffer, jlong offset, jlong size, jlong function_pointer) {
glTexBufferRangePROC glTexBufferRange = (glTexBufferRangePROC)((intptr_t)function_pointer);
glTexBufferRange(target, internalformat, buffer, offset, size);
}