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gl1: allow extra padding in pitch

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This commit is contained in:
Brad Parker 2019-02-08 15:46:00 -05:00
parent cbbb81f46f
commit c83611e526
1 changed files with 14 additions and 21 deletions
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35
gfx/drivers/gl1.c
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@ -399,7 +399,7 @@ void gl1_gfx_set_viewport(gl1_t *gl1,
#endif
}
static void draw_tex(gl1_t *gl1, int pot_width, int pot_height, int tex_width, int height, GLuint tex, const void *frame_to_copy)
static void draw_tex(gl1_t *gl1, int pot_width, int pot_height, int width, int height, GLuint tex, const void *frame_to_copy)
{
/* FIXME: For now, everything is uploaded as BGRA8888, I could not get 444 or 555 to work, and there is no 565 support in GL 1.1 either. */
GLint internalFormat = GL_RGBA8;
@ -420,7 +420,7 @@ static void draw_tex(gl1_t *gl1, int pot_width, int pot_height, int tex_width, i
/* TODO: We could implement red/blue swap if client GL does not support BGRA... but even MS GDI Generic supports it */
glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, pot_width, pot_height, 0, format, type, NULL);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, tex_width, height, format, type, frame_to_copy);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, frame_to_copy);
if (tex == gl1->tex)
{
@ -476,7 +476,7 @@ static void draw_tex(gl1_t *gl1, int pot_width, int pot_height, int tex_width, i
float *tex_mirror_BR = tex_TR;
float *tex_mirror_TL = tex_BL;
float *tex_mirror_TR = tex_BR;
float norm_width = (1.0f / (float)pot_width) * (float)tex_width;
float norm_width = (1.0f / (float)pot_width) * (float)width;
float norm_height = (1.0f / (float)pot_height) * (float)height;
/* remove extra POT padding */
@ -519,7 +519,6 @@ static bool gl1_gfx_frame(void *data, const void *frame,
unsigned bits = gl1_video_bits;
bool draw = true;
gl1_t *gl1 = (gl1_t*)data;
unsigned tex_width = 0;
unsigned pot_width = 0;
unsigned pot_height = 0;
@ -562,13 +561,9 @@ static bool gl1_gfx_frame(void *data, const void *frame,
gl1_video_height = frame_height;
gl1_video_pitch = pitch;
tex_width = pitch / (bits / 8);
pot_width = get_pot(tex_width);
pot_width = get_pot(frame_width);
pot_height = get_pot(frame_height);
RARCH_LOG("***** res changed to %d (%d) x %d *****\n", frame_width, tex_width, frame_height);
RARCH_LOG("***** alloc %d bytes for %d x %d POT\n", (pot_width * pot_height * 4), pot_width, pot_height);
if (gl1_video_buf)
free(gl1_video_buf);
@ -580,8 +575,7 @@ static bool gl1_gfx_frame(void *data, const void *frame,
height = gl1_video_height;
pitch = gl1_video_pitch;
tex_width = pitch / (bits / 8);
pot_width = get_pot(tex_width);
pot_width = get_pot(width);
pot_height = get_pot(height);
if ( frame_width == 4 &&
@ -599,7 +593,7 @@ static bool gl1_gfx_frame(void *data, const void *frame,
for (y = 0; y < height; y++)
{
/* copy lines into top-left portion of larger (power-of-two) buffer */
memcpy(gl1_video_buf + ((pot_width * (bits / 8)) * y), frame + (pitch * y), pitch);
memcpy(gl1_video_buf + ((pot_width * (bits / 8)) * y), frame + (pitch * y), width * (bits / 8));
}
}
else if (bits == 16)
@ -607,9 +601,9 @@ static bool gl1_gfx_frame(void *data, const void *frame,
/* change bit depth from 565 to 8888 */
for (y = 0; y < height; y++)
{
for (x = 0; x < tex_width; x++)
for (x = 0; x < width; x++)
{
unsigned pixel = ((unsigned short*)frame)[tex_width * y + x];
unsigned pixel = ((unsigned short*)frame)[(pitch / (bits / 8)) * y + x];
unsigned *new_pixel = (unsigned*)gl1_video_buf + (pot_width * y + x);
unsigned r = (255.0f / 31.0f) * ((pixel & 0xF800) >> 11);
unsigned g = (255.0f / 63.0f) * ((pixel & 0x7E0) >> 5);
@ -640,7 +634,7 @@ static bool gl1_gfx_frame(void *data, const void *frame,
if (draw)
{
if (frame_to_copy)
draw_tex(gl1, pot_width, pot_height, tex_width, height, gl1->tex, frame_to_copy);
draw_tex(gl1, pot_width, pot_height, width, height, gl1->tex, frame_to_copy);
}
if (gl1_menu_frame && video_info->menu_is_alive)
@ -652,8 +646,7 @@ static bool gl1_gfx_frame(void *data, const void *frame,
pitch = gl1_menu_pitch;
bits = gl1_menu_bits;
tex_width = pitch / (bits / 8);
pot_width = get_pot(tex_width);
pot_width = get_pot(width);
pot_height = get_pot(height);
if (gl1_menu_size_changed)
@ -675,9 +668,9 @@ static bool gl1_gfx_frame(void *data, const void *frame,
/* change bit depth from 4444 to 8888 */
for (y = 0; y < height; y++)
{
for (x = 0; x < tex_width; x++)
for (x = 0; x < width; x++)
{
unsigned pixel = ((unsigned short*)gl1_menu_frame)[tex_width * y + x];
unsigned pixel = ((unsigned short*)gl1_menu_frame)[(pitch / (bits / 8)) * y + x];
unsigned *new_pixel = (unsigned*)gl1_menu_video_buf + (pot_width * y + x);
unsigned r = (255.0f / 15.0f) * ((pixel & 0xF000) >> 12);
unsigned g = (255.0f / 15.0f) * ((pixel & 0xF00) >> 8);
@ -695,11 +688,11 @@ static bool gl1_gfx_frame(void *data, const void *frame,
if (gl1->menu_texture_full_screen)
{
glViewport(0, 0, video_info->width, video_info->height);
draw_tex(gl1, pot_width, pot_height, tex_width, height, gl1->menu_tex, frame_to_copy);
draw_tex(gl1, pot_width, pot_height, width, height, gl1->menu_tex, frame_to_copy);
glViewport(gl1->vp.x, gl1->vp.y, gl1->vp.width, gl1->vp.height);
}
else
draw_tex(gl1, pot_width, pot_height, tex_width, height, gl1->menu_tex, frame_to_copy);
draw_tex(gl1, pot_width, pot_height, width, height, gl1->menu_tex, frame_to_copy);
glDisable(GL_BLEND);
}