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(FFT) Indenting nits

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This commit is contained in:
twinaphex 2016-06-15 20:15:21 +02:00
parent 417439ba60
commit c05f873dff
1 changed files with 79 additions and 39 deletions
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116
cores/libretro-ffmpeg/fft/fft.cpp
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@ -355,10 +355,14 @@ static void fft_render(glfft_t *fft, GLuint backbuffer, unsigned width, unsigned
lookAt(eye, eye + vec3(0.0f, 0.0f, 1.0f), vec3(0.0f, 1.0f, 0.0f));
glUseProgram(fft->block.prog);
glUniformMatrix4fv(glGetUniformLocation(fft->block.prog, "uMVP"), 1, GL_FALSE, value_ptr(mvp));
glUniform2i(glGetUniformLocation(fft->block.prog, "uOffset"), (-int(fft->block_size) + 1) / 2, fft->output_ptr);
glUniform4f(glGetUniformLocation(fft->block.prog, "uHeightmapParams"), -(fft->block_size - 1.0f) / 2.0f, 0.0f, 3.0f, 2.0f);
glUniform1f(glGetUniformLocation(fft->block.prog, "uAngleScale"), M_PI / ((fft->block_size - 1) / 2));
glUniformMatrix4fv(glGetUniformLocation(fft->block.prog, "uMVP"),
1, GL_FALSE, value_ptr(mvp));
glUniform2i(glGetUniformLocation(fft->block.prog, "uOffset"),
(-int(fft->block_size) + 1) / 2, fft->output_ptr);
glUniform4f(glGetUniformLocation(fft->block.prog, "uHeightmapParams"),
-(fft->block_size - 1.0f) / 2.0f, 0.0f, 3.0f, 2.0f);
glUniform1f(glGetUniformLocation(fft->block.prog, "uAngleScale"),
M_PI / ((fft->block_size - 1) / 2));
glBindVertexArray(fft->block.vao);
glBindTexture(GL_TEXTURE_2D, fft->blur.tex);
@ -370,7 +374,8 @@ static void fft_render(glfft_t *fft, GLuint backbuffer, unsigned width, unsigned
{
glBindFramebuffer(GL_READ_FRAMEBUFFER, fft->ms_fbo);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, backbuffer);
glBlitFramebuffer(0, 0, width, height, 0, 0, width, height, GL_COLOR_BUFFER_BIT, GL_NEAREST);
glBlitFramebuffer(0, 0, width, height, 0, 0, width, height,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
static const GLenum attachments[] = { GL_COLOR_ATTACHMENT0, GL_DEPTH_STENCIL_ATTACHMENT };
glBindFramebuffer(GL_FRAMEBUFFER, fft->ms_fbo);
@ -382,10 +387,11 @@ static void fft_render(glfft_t *fft, GLuint backbuffer, unsigned width, unsigned
GL_CHECK_ERROR();
}
static void fft_step(glfft_t *fft, const GLshort *audio_buffer, unsigned frames)
static void fft_step(glfft_t *fft,
const GLshort *audio_buffer, unsigned frames)
{
unsigned i;
GLshort *buffer;
GLshort *buffer = NULL;
GLshort *slide = (GLshort*)&fft->sliding[0];
glEnable(GL_DEPTH_TEST);
@ -399,21 +405,25 @@ static void fft_step(glfft_t *fft, const GLshort *audio_buffer, unsigned frames)
glBindTexture(GL_TEXTURE_2D, fft->input_tex);
glUseProgram(fft->prog_real);
memmove(slide, slide + frames * 2, (fft->sliding_size - 2 * frames) * sizeof(GLshort));
memcpy(slide + fft->sliding_size - frames * 2, audio_buffer, 2 * frames * sizeof(GLshort));
memmove(slide, slide + frames * 2,
(fft->sliding_size - 2 * frames) * sizeof(GLshort));
memcpy(slide + fft->sliding_size - frames * 2, audio_buffer,
2 * frames * sizeof(GLshort));
/* Upload audio data to GPU. */
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, fft->pbo);
buffer = (GLshort*)(glMapBufferRange(GL_PIXEL_UNPACK_BUFFER, 0,
2 * fft->size * sizeof(GLshort), GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT));
2 * fft->size * sizeof(GLshort),
GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT));
if (buffer)
{
memcpy(buffer, slide, fft->sliding_size * sizeof(GLshort));
glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
}
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, fft->size, 1, GL_RG_INTEGER, GL_SHORT, NULL);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, fft->size, 1,
GL_RG_INTEGER, GL_SHORT, NULL);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
/* Perform FFT of new block. */
@ -424,12 +434,15 @@ static void fft_step(glfft_t *fft, const GLshort *audio_buffer, unsigned frames)
if (i == fft->steps - 1)
{
glBindFramebuffer(GL_FRAMEBUFFER, fft->output.fbo);
glUniform1i(glGetUniformLocation(i == 0 ? fft->prog_real : fft->prog_complex, "uViewportOffset"), fft->output_ptr);
glUniform1i(glGetUniformLocation(i == 0
? fft->prog_real : fft->prog_complex, "uViewportOffset"),
fft->output_ptr);
glViewport(0, fft->output_ptr, fft->size, 1);
}
else
{
glUniform1i(glGetUniformLocation(i == 0 ? fft->prog_real : fft->prog_complex, "uViewportOffset"), 0);
glUniform1i(glGetUniformLocation(i == 0
? fft->prog_real : fft->prog_complex, "uViewportOffset"), 0);
glBindFramebuffer(GL_FRAMEBUFFER, fft->passes[i].target.fbo);
glClear(GL_COLOR_BUFFER_BIT);
}
@ -451,8 +464,10 @@ static void fft_step(glfft_t *fft, const GLshort *audio_buffer, unsigned frames)
glViewport(0, fft->output_ptr, fft->size, 1);
glUseProgram(fft->prog_resolve);
glBindFramebuffer(GL_FRAMEBUFFER, fft->resolve.fbo);
const GLfloat resolve_offset[] = { 0.0f, float(fft->output_ptr) / fft->depth, 1.0f, 1.0f / fft->depth };
glUniform4fv(glGetUniformLocation(fft->prog_resolve, "uOffsetScale"), 1, resolve_offset);
const GLfloat resolve_offset[] = { 0.0f, float(fft->output_ptr) / fft->depth,
1.0f, 1.0f / fft->depth };
glUniform4fv(glGetUniformLocation(fft->prog_resolve, "uOffsetScale"),
1, resolve_offset);
glBindTexture(GL_TEXTURE_2D, fft->output.tex);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
@ -460,7 +475,8 @@ static void fft_step(glfft_t *fft, const GLshort *audio_buffer, unsigned frames)
glUseProgram(fft->prog_blur);
glBindTexture(GL_TEXTURE_2D, fft->resolve.tex);
glBindFramebuffer(GL_FRAMEBUFFER, fft->blur.fbo);
glUniform4fv(glGetUniformLocation(fft->prog_blur, "uOffsetScale"), 1, resolve_offset);
glUniform4fv(glGetUniformLocation(fft->prog_blur, "uOffsetScale"),
1, resolve_offset);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
/* Mipmap the heightmap. */
@ -495,7 +511,8 @@ static inline unsigned bitinverse(unsigned x, unsigned size)
return ret;
}
void fft_build_params(glfft_t *fft, GLuint *buffer, unsigned step, unsigned size)
void fft_build_params(glfft_t *fft, GLuint *buffer,
unsigned step, unsigned size)
{
unsigned i, j;
unsigned step_size = 1 << step;
@ -543,7 +560,8 @@ static void fft_init_quad_vao(glfft_t *fft)
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
glVertexAttribPointer(0, 2, GL_BYTE, GL_FALSE, 0, 0);
glVertexAttribPointer(1, 2, GL_BYTE, GL_FALSE, 0, reinterpret_cast<const GLvoid*>(uintptr_t(8)));
glVertexAttribPointer(1, 2, GL_BYTE, GL_FALSE, 0,
reinterpret_cast<const GLvoid*>(uintptr_t(8)));
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
@ -623,7 +641,8 @@ static void fft_init(glfft_t *fft)
GL_CHECK_ERROR();
fft_init_texture(fft, &fft->window_tex, GL_R16UI, fft->size, 1, 1, GL_NEAREST, GL_NEAREST);
fft_init_texture(fft, &fft->window_tex, GL_R16UI,
fft->size, 1, 1, GL_NEAREST, GL_NEAREST);
GL_CHECK_ERROR();
window = (GLushort*)calloc(fft->size, sizeof(GLushort));
@ -637,23 +656,31 @@ static void fft_init(glfft_t *fft)
window[i] = round(0xffff * w * window_mod);
}
glBindTexture(GL_TEXTURE_2D, fft->window_tex);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, fft->size, 1, GL_RED_INTEGER, GL_UNSIGNED_SHORT, &window[0]);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0,
fft->size, 1, GL_RED_INTEGER, GL_UNSIGNED_SHORT, &window[0]);
glBindTexture(GL_TEXTURE_2D, 0);
GL_CHECK_ERROR();
fft_init_texture(fft, &fft->input_tex, GL_RG16I, fft->size, 1, 1, GL_NEAREST, GL_NEAREST);
fft_init_target(fft, &fft->output, GL_RG32UI, fft->size, fft->depth, 1, GL_NEAREST, GL_NEAREST);
fft_init_target(fft, &fft->resolve, GL_RGBA8, fft->size, fft->depth, 1, GL_NEAREST, GL_NEAREST);
fft_init_target(fft, &fft->blur, GL_RGBA8, fft->size, fft->depth,
log2i(MAX(fft->size, fft->depth)) + 1, GL_NEAREST, GL_LINEAR_MIPMAP_LINEAR);
fft_init_texture(fft, &fft->input_tex, GL_RG16I,
fft->size, 1, 1, GL_NEAREST, GL_NEAREST);
fft_init_target(fft, &fft->output, GL_RG32UI,
fft->size, fft->depth, 1, GL_NEAREST, GL_NEAREST);
fft_init_target(fft, &fft->resolve, GL_RGBA8,
fft->size, fft->depth, 1, GL_NEAREST, GL_NEAREST);
fft_init_target(fft, &fft->blur, GL_RGBA8,
fft->size, fft->depth,
log2i(MAX(fft->size, fft->depth)) + 1,
GL_NEAREST, GL_LINEAR_MIPMAP_LINEAR);
GL_CHECK_ERROR();
for (i = 0; i < fft->steps; i++)
{
GLuint *param_buffer = NULL;
fft_init_target(fft, &fft->passes[i].target, GL_RG32UI, fft->size, 1, 1, GL_NEAREST, GL_NEAREST);
fft_init_texture(fft, &fft->passes[i].parameter_tex, GL_RG32UI, fft->size, 1, 1, GL_NEAREST, GL_NEAREST);
fft_init_target(fft, &fft->passes[i].target,
GL_RG32UI, fft->size, 1, 1, GL_NEAREST, GL_NEAREST);
fft_init_texture(fft, &fft->passes[i].parameter_tex,
GL_RG32UI, fft->size, 1, 1, GL_NEAREST, GL_NEAREST);
param_buffer = (GLuint*)calloc(2 * fft->size, sizeof(GLuint));
@ -670,7 +697,8 @@ static void fft_init(glfft_t *fft)
GL_CHECK_ERROR();
glGenBuffers(1, &fft->pbo);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, fft->pbo);
glBufferData(GL_PIXEL_UNPACK_BUFFER, fft->size * 2 * sizeof(GLshort), 0, GL_DYNAMIC_DRAW);
glBufferData(GL_PIXEL_UNPACK_BUFFER,
fft->size * 2 * sizeof(GLshort), 0, GL_DYNAMIC_DRAW);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
free(window);
@ -686,7 +714,8 @@ static void fft_init_block(glfft_t *fft)
unsigned block_indices_size;
int pos = 0;
fft->block.prog = fft_compile_program(fft, vertex_program_heightmap, fragment_program_heightmap);
fft->block.prog = fft_compile_program(fft,
vertex_program_heightmap, fragment_program_heightmap);
glUseProgram(fft->block.prog);
glUniform1i(glGetUniformLocation(fft->block.prog, "sHeight"), 0);
@ -703,7 +732,9 @@ static void fft_init_block(glfft_t *fft)
}
glGenBuffers(1, &fft->block.vbo);
glBindBuffer(GL_ARRAY_BUFFER, fft->block.vbo);
glBufferData(GL_ARRAY_BUFFER, block_vertices_size * sizeof(GLushort), &block_vertices[0], GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER,
block_vertices_size * sizeof(GLushort),
&block_vertices[0], GL_STATIC_DRAW);
fft->block.elems = (2 * fft->block_size - 1) * (fft->depth - 1) + 1;
@ -731,7 +762,9 @@ static void fft_init_block(glfft_t *fft)
glGenBuffers(1, &fft->block.ibo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, fft->block.ibo);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, block_indices_size * sizeof(GLuint), &block_indices[0], GL_STATIC_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER,
block_indices_size * sizeof(GLuint),
&block_indices[0], GL_STATIC_DRAW);
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 2, GL_UNSIGNED_SHORT, GL_FALSE, 0, 0);
@ -812,7 +845,8 @@ error:
return NULL;
}
extern "C" void glfft_init_multisample(glfft_t *fft, unsigned width, unsigned height, unsigned samples)
extern "C" void glfft_init_multisample(glfft_t *fft,
unsigned width, unsigned height, unsigned samples)
{
if (fft->ms_rb_color)
glDeleteRenderbuffers(1, &fft->ms_rb_color);
@ -831,14 +865,18 @@ extern "C" void glfft_init_multisample(glfft_t *fft, unsigned width, unsigned he
glGenFramebuffers (1, &fft->ms_fbo);
glBindRenderbuffer(GL_RENDERBUFFER, fft->ms_rb_color);
glRenderbufferStorageMultisample(GL_RENDERBUFFER, samples, GL_RGBA8, width, height);
glRenderbufferStorageMultisample(GL_RENDERBUFFER, samples,
GL_RGBA8, width, height);
glBindRenderbuffer(GL_RENDERBUFFER, fft->ms_rb_ds);
glRenderbufferStorageMultisample(GL_RENDERBUFFER, samples, GL_DEPTH24_STENCIL8, width, height);
glRenderbufferStorageMultisample(GL_RENDERBUFFER, samples,
GL_DEPTH24_STENCIL8, width, height);
glBindRenderbuffer(GL_RENDERBUFFER, 0);
glBindFramebuffer(GL_FRAMEBUFFER, fft->ms_fbo);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, fft->ms_rb_color);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, fft->ms_rb_ds);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_RENDERBUFFER, fft->ms_rb_color);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT,
GL_RENDERBUFFER, fft->ms_rb_ds);
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
glfft_init_multisample(fft, 0, 0, 0);
}
@ -865,12 +903,14 @@ extern "C" void glfft_free(glfft_t *fft)
fft = NULL;
}
extern "C" void glfft_step_fft(glfft_t *fft, const GLshort *buffer, unsigned frames)
extern "C" void glfft_step_fft(glfft_t *fft,
const GLshort *buffer, unsigned frames)
{
fft_step(fft, buffer, frames);
}
extern "C" void glfft_render(glfft_t *fft, GLuint backbuffer, unsigned width, unsigned height)
extern "C" void glfft_render(glfft_t *fft, GLuint backbuffer,
unsigned width, unsigned height)
{
fft_render(fft, backbuffer, width, height);
}