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early-access version 1617

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pineappleEA
2021-04-20 21:40:33 +02:00
parent 242b6f6b49
commit f46563104f
510 changed files with 141726 additions and 62846 deletions
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57
externals/SDL/src/render/opengles/SDL_render_gles.c vendored
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@@ -22,7 +22,6 @@
#if SDL_VIDEO_RENDER_OGL_ES && !SDL_RENDER_DISABLED
#include "SDL_assert.h"
#include "SDL_hints.h"
#include "SDL_opengles.h"
#include "../SDL_sysrender.h"
@@ -561,6 +560,48 @@ GLES_QueueDrawPoints(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_
return 0;
}
static int
GLES_QueueDrawLines(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FPoint * points, int count)
{
int i;
const size_t vertlen = (sizeof (GLfloat) * 2) * count;
GLfloat *verts = (GLfloat *) SDL_AllocateRenderVertices(renderer, vertlen, 0, &cmd->data.draw.first);
if (!verts) {
return -1;
}
cmd->data.draw.count = count;
/* Offset to hit the center of the pixel. */
for (i = 0; i < count; i++) {
*(verts++) = 0.5f + points[i].x;
*(verts++) = 0.5f + points[i].y;
}
/* Make the last line segment one pixel longer, to satisfy the
diamond-exit rule. */
verts -= 4;
{
const GLfloat xstart = verts[0];
const GLfloat ystart = verts[1];
const GLfloat xend = verts[2];
const GLfloat yend = verts[3];
if (ystart == yend) { /* horizontal line */
verts[2] += (xend > xstart) ? 1.0f : -1.0f;
} else if (xstart == xend) { /* vertical line */
verts[3] += (yend > ystart) ? 1.0f : -1.0f;
} else { /* bump a pixel in the direction we are moving in. */
const GLfloat deltax = xend - xstart;
const GLfloat deltay = yend - ystart;
const GLfloat angle = SDL_atan2f(deltay, deltax);
verts[2] += SDL_cosf(angle);
verts[3] += SDL_sinf(angle);
}
}
return 0;
}
static int
GLES_QueueFillRects(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FRect * rects, int count)
{
@@ -901,16 +942,10 @@ GLES_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vert
case SDL_RENDERCMD_DRAW_LINES: {
const GLfloat *verts = (GLfloat *) (((Uint8 *) vertices) + cmd->data.draw.first);
const size_t count = cmd->data.draw.count;
SDL_assert(count >= 2);
SetDrawState(data, cmd);
data->glVertexPointer(2, GL_FLOAT, 0, verts);
if (count > 2 && (verts[0] == verts[(count-1)*2]) && (verts[1] == verts[(count*2)-1])) {
/* GL_LINE_LOOP takes care of the final segment */
data->glDrawArrays(GL_LINE_LOOP, 0, (GLsizei) (count - 1));
} else {
data->glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) count);
/* We need to close the endpoint of the line */
data->glDrawArrays(GL_POINTS, (GLsizei) (count - 1), 1);
}
data->glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) count);
break;
}
@@ -1129,7 +1164,7 @@ GLES_CreateRenderer(SDL_Window * window, Uint32 flags)
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, RENDERER_CONTEXT_MAJOR);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, RENDERER_CONTEXT_MINOR);
if (SDL_RecreateWindow(window, window_flags | SDL_WINDOW_OPENGL) < 0) {
if (SDL_RecreateWindow(window, (window_flags & ~(SDL_WINDOW_VULKAN | SDL_WINDOW_METAL)) | SDL_WINDOW_OPENGL) < 0) {
goto error;
}
}
@@ -1159,7 +1194,7 @@ GLES_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->QueueSetViewport = GLES_QueueSetViewport;
renderer->QueueSetDrawColor = GLES_QueueSetViewport; /* SetViewport and SetDrawColor are (currently) no-ops. */
renderer->QueueDrawPoints = GLES_QueueDrawPoints;
renderer->QueueDrawLines = GLES_QueueDrawPoints; /* lines and points queue vertices the same way. */
renderer->QueueDrawLines = GLES_QueueDrawLines;
renderer->QueueFillRects = GLES_QueueFillRects;
renderer->QueueCopy = GLES_QueueCopy;
renderer->QueueCopyEx = GLES_QueueCopyEx;