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Hmmmm

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This commit is contained in:
Themaister 2010-05-26 23:21:18 +02:00
parent d3cec173ac
commit 33b2b8f96e
2 changed files with 38 additions and 22 deletions
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2
Makefile
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@ -1,7 +1,7 @@
TARGET = ssnes
SOURCE = ssnes.c
CFLAGS = -O3 -march=native -Wall
CFLAGS = -Wall -g
OBJ = ssnes.o
SOBJ = libsnes.so

58
ssnes.c
View File

@ -31,8 +31,8 @@ static void uninit_audio(void);
static void uninit_gl(void)
{
free(gl_buffer);
glfwTerminate();
free(gl_buffer);
}
static void init_gl(void)
@ -60,6 +60,11 @@ static void init_gl(void)
glfwSwapInterval(0);
gl_buffer = malloc(256 * 256 * 4);
if ( !gl_buffer )
{
fprintf(stderr, "Couldn't allocate memory :<\n");
exit(1);
}
glEnable(GL_TEXTURE_2D);
glEnable(GL_DITHER);
@ -138,10 +143,10 @@ static void init_audio(void)
src_set_ratio(source, (double)out_rate / (double)in_rate);
src_input_size = in_rate * 2 * sizeof(float) / 100;
src_output_size = out_rate * 2 * sizeof(float) / 100;
src_input = malloc ( src_input_size );
src_output = malloc ( src_output_size );
src_input_size = in_rate / 20;
src_output_size = out_rate / 20;
src_input = malloc ( src_input_size * sizeof(float) );
src_output = malloc ( src_output_size * sizeof(float) );
}
static void uninit_audio(void)
@ -163,16 +168,19 @@ static void uninit_audio(void)
static void video_refresh_GL(const uint16_t* data, unsigned width, unsigned height)
{
fprintf(stderr, "#1\n");
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
fprintf(stderr, "#2\n");
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
fprintf(stderr, "#3\n");
glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
uint32_t output[width*height];
@ -193,8 +201,10 @@ static void video_refresh_GL(const uint16_t* data, unsigned width, unsigned heig
}
}
fprintf(stderr, "#4\n");
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, output);
fprintf(stderr, "#5\n");
glLoadIdentity();
glColor3f(1,1,1);
@ -210,42 +220,48 @@ static void video_refresh_GL(const uint16_t* data, unsigned width, unsigned heig
glEnd();
glfwSwapBuffers();
fprintf(stderr, "#6\n");
}
static void audio_refresh(uint16_t left, uint16_t right)
{
src_input[src_input_ptr++] = (float)left;
src_input[src_input_ptr++] = (float)right;
src_input[src_input_ptr++] = (float)left / 0x7FFF;
src_input[src_input_ptr++] = (float)right / 0x7FFF;
SRC_DATA data;
if ( src_input_ptr == src_input_size )
{
data.input_frames = src_input_ptr / 4;
data.output_frames = src_output_size / 4;
data.input_frames = src_input_size;
data.output_frames = src_output_size;
data.data_in = src_input;
data.data_out = src_output;
data.src_ratio = (double)out_rate / (double)in_rate;
src_process(source, &data);
fprintf(stderr, "Input frames used: %ld\n"
"Output frames used: %ld\n"
, data.input_frames_used, data.output_frames_gen);
memmove(src_input, src_input + data.input_frames_used, (src_input_size - data.input_frames_used) * sizeof(float));
int16_t outdata[src_output_size * sizeof(float) / 2];
src_float_to_short_array (src_output, outdata, data.output_frames_gen);
audio_write(outdata, data.output_frames_gen);
}
memmove(src_input, (uint32_t*)src_input + data.input_frames_used, src_input_size - data.input_frames_used * 4);
uint16_t outdata[data.output_frames_gen * 2];
int i;
for ( i = 0; i < data.output_frames_gen * 2; i++ )
{
outdata[i] = (uint16_t)src_output[i];
}
audio_write(outdata, data.output_frames_gen * 2);
}
static void audio_write(const void* data, size_t size)
{
if ( size == 0 )
{
fprintf(stderr, "WTF, no data?!\n");
return;
}
rsd_delay_wait(rd);
if ( rsd_write(rd, data, size) == 0 )
fprintf(stderr, "WTF!!\n");